20175896888

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:406

約数の個数: 192

約数和(自身を含む): 47362682880

約数和(自身を除く): 27186785992

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 61, 68, 107, 119, 122, 136, 191, 214, 238, 244, 289, 382, 427, 428, 476, 488, 578, 749, 764, 854, 856, 952, 1037, 1156, 1337, 1498, 1528, 1708, 1819, 2023, 2074, 2312, 2674, 2996, 3247, 3416, 3638, 4046, 4148, 5348, 5992, 6494, 6527, 7259, 7276, 8092, 8296, 10696, 11651, 12733, 12988, 13054, 14518, 14552, 16184, 17629, 20437, 22729, 23302, 25466, 25976, 26108, 29036, 30923, 35258, 40874, 45458, 45689, 46604, 50932, 52216, 55199, 58072, 61846, 70516, 81557, 81748, 90916, 91378, 93208, 101864, 110398, 110959, 123403, 123692, 141032, 143059, 163114, 163496, 181832, 182756, 198067, 216461, 220796, 221918, 246806, 247384, 286118, 326228, 347429, 365512, 386393, 396134, 432922, 441592, 443836, 493612, 572236, 652456, 694858, 772786, 776713, 792268, 865844, 887672, 987224, 1144472, 1246657, 1386469, 1389716, 1545572, 1553426, 1584536, 1731688, 1886303, 2432003, 2493314, 2772938, 2779432, 3091144, 3106852, 3367139, 3772606, 4864006, 4986628, 5545876, 5906293, 6213704, 6734278, 7545212, 8726599, 9728012, 9973256, 11091752, 11812586, 13204121, 13468556, 15090424, 17453198, 19456024, 21193169, 23569973, 23625172, 26408242, 26937112, 34906396, 41344051, 42386338, 47139946, 47250344, 52816484, 69812792, 82688102, 84772676, 94279892, 105632968, 148352183, 165376204, 169545352, 188559784, 296704366, 330752408, 360283873, 593408732, 720567746, 1186817464, 1441135492, 2521987111, 2882270984, 5043974222, 10087948444, 20175896888]

約数ペア:

[(1, 20175896888), (2, 10087948444), (4, 5043974222), (7, 2882270984), (8, 2521987111), (14, 1441135492), (17, 1186817464), (28, 720567746), (34, 593408732), (56, 360283873), (61, 330752408), (68, 296704366), (107, 188559784), (119, 169545352), (122, 165376204), (136, 148352183), (191, 105632968), (214, 94279892), (238, 84772676), (244, 82688102), (289, 69812792), (382, 52816484), (427, 47250344), (428, 47139946), (476, 42386338), (488, 41344051), (578, 34906396), (749, 26937112), (764, 26408242), (854, 23625172), (856, 23569973), (952, 21193169), (1037, 19456024), (1156, 17453198), (1337, 15090424), (1498, 13468556), (1528, 13204121), (1708, 11812586), (1819, 11091752), (2023, 9973256), (2074, 9728012), (2312, 8726599), (2674, 7545212), (2996, 6734278), (3247, 6213704), (3416, 5906293), (3638, 5545876), (4046, 4986628), (4148, 4864006), (5348, 3772606), (5992, 3367139), (6494, 3106852), (6527, 3091144), (7259, 2779432), (7276, 2772938), (8092, 2493314), (8296, 2432003), (10696, 1886303), (11651, 1731688), (12733, 1584536), (12988, 1553426), (13054, 1545572), (14518, 1389716), (14552, 1386469), (16184, 1246657), (17629, 1144472), (20437, 987224), (22729, 887672), (23302, 865844), (25466, 792268), (25976, 776713), (26108, 772786), (29036, 694858), (30923, 652456), (35258, 572236), (40874, 493612), (45458, 443836), (45689, 441592), (46604, 432922), (50932, 396134), (52216, 386393), (55199, 365512), (58072, 347429), (61846, 326228), (70516, 286118), (81557, 247384), (81748, 246806), (90916, 221918), (91378, 220796), (93208, 216461), (101864, 198067), (110398, 182756), (110959, 181832), (123403, 163496), (123692, 163114), (141032, 143059)]