20398248

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:112

約数の個数: 192

約数和(自身を含む): 66393600

約数和(自身を除く): 45995352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 24, 26, 31, 36, 37, 38, 39, 52, 57, 62, 72, 74, 76, 78, 93, 104, 111, 114, 117, 124, 148, 152, 156, 171, 186, 222, 228, 234, 247, 248, 279, 296, 312, 333, 342, 372, 403, 444, 456, 468, 481, 494, 558, 589, 666, 684, 703, 741, 744, 806, 888, 936, 962, 988, 1116, 1147, 1178, 1209, 1332, 1368, 1406, 1443, 1482, 1612, 1767, 1924, 1976, 2109, 2223, 2232, 2294, 2356, 2418, 2664, 2812, 2886, 2964, 3224, 3441, 3534, 3627, 3848, 4218, 4329, 4446, 4588, 4712, 4836, 5301, 5624, 5772, 5928, 6327, 6882, 7068, 7254, 7657, 8436, 8658, 8892, 9139, 9176, 9672, 10323, 10602, 11544, 12654, 13764, 14136, 14508, 14911, 15314, 16872, 17316, 17784, 18278, 20646, 21204, 21793, 22971, 25308, 27417, 27528, 29016, 29822, 30628, 34632, 36556, 41292, 42408, 43586, 44733, 45942, 50616, 54834, 59644, 61256, 65379, 68913, 73112, 82251, 82584, 87172, 89466, 91884, 109668, 119288, 130758, 134199, 137826, 164502, 174344, 178932, 183768, 196137, 219336, 261516, 268398, 275652, 283309, 329004, 357864, 392274, 523032, 536796, 551304, 566618, 658008, 784548, 849927, 1073592, 1133236, 1569096, 1699854, 2266472, 2549781, 3399708, 5099562, 6799416, 10199124, 20398248]

約数ペア:

[(1, 20398248), (2, 10199124), (3, 6799416), (4, 5099562), (6, 3399708), (8, 2549781), (9, 2266472), (12, 1699854), (13, 1569096), (18, 1133236), (19, 1073592), (24, 849927), (26, 784548), (31, 658008), (36, 566618), (37, 551304), (38, 536796), (39, 523032), (52, 392274), (57, 357864), (62, 329004), (72, 283309), (74, 275652), (76, 268398), (78, 261516), (93, 219336), (104, 196137), (111, 183768), (114, 178932), (117, 174344), (124, 164502), (148, 137826), (152, 134199), (156, 130758), (171, 119288), (186, 109668), (222, 91884), (228, 89466), (234, 87172), (247, 82584), (248, 82251), (279, 73112), (296, 68913), (312, 65379), (333, 61256), (342, 59644), (372, 54834), (403, 50616), (444, 45942), (456, 44733), (468, 43586), (481, 42408), (494, 41292), (558, 36556), (589, 34632), (666, 30628), (684, 29822), (703, 29016), (741, 27528), (744, 27417), (806, 25308), (888, 22971), (936, 21793), (962, 21204), (988, 20646), (1116, 18278), (1147, 17784), (1178, 17316), (1209, 16872), (1332, 15314), (1368, 14911), (1406, 14508), (1443, 14136), (1482, 13764), (1612, 12654), (1767, 11544), (1924, 10602), (1976, 10323), (2109, 9672), (2223, 9176), (2232, 9139), (2294, 8892), (2356, 8658), (2418, 8436), (2664, 7657), (2812, 7254), (2886, 7068), (2964, 6882), (3224, 6327), (3441, 5928), (3534, 5772), (3627, 5624), (3848, 5301), (4218, 4836), (4329, 4712), (4446, 4588)]