20701044

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:190

約数の個数: 144

約数和(自身を含む): 66044160

約数和(自身を除く): 45343116

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 71, 78, 84, 89, 91, 117, 126, 142, 156, 178, 182, 213, 234, 252, 267, 273, 284, 356, 364, 426, 468, 497, 534, 546, 623, 639, 801, 819, 852, 923, 994, 1068, 1092, 1157, 1246, 1278, 1491, 1602, 1638, 1846, 1869, 1988, 2314, 2492, 2556, 2769, 2982, 3204, 3276, 3471, 3692, 3738, 4473, 4628, 5538, 5607, 5964, 6319, 6461, 6942, 7476, 8099, 8307, 8946, 10413, 11076, 11214, 12638, 12922, 13884, 16198, 16614, 17892, 18957, 19383, 20826, 22428, 24297, 25276, 25844, 32396, 33228, 37914, 38766, 41652, 44233, 48594, 56871, 58149, 72891, 75828, 77532, 82147, 88466, 97188, 113742, 116298, 132699, 145782, 164294, 176932, 227484, 232596, 246441, 265398, 291564, 328588, 398097, 492882, 530796, 575029, 739323, 796194, 985764, 1150058, 1478646, 1592388, 1725087, 2300116, 2957292, 3450174, 5175261, 6900348, 10350522, 20701044]

約数ペア:

[(1, 20701044), (2, 10350522), (3, 6900348), (4, 5175261), (6, 3450174), (7, 2957292), (9, 2300116), (12, 1725087), (13, 1592388), (14, 1478646), (18, 1150058), (21, 985764), (26, 796194), (28, 739323), (36, 575029), (39, 530796), (42, 492882), (52, 398097), (63, 328588), (71, 291564), (78, 265398), (84, 246441), (89, 232596), (91, 227484), (117, 176932), (126, 164294), (142, 145782), (156, 132699), (178, 116298), (182, 113742), (213, 97188), (234, 88466), (252, 82147), (267, 77532), (273, 75828), (284, 72891), (356, 58149), (364, 56871), (426, 48594), (468, 44233), (497, 41652), (534, 38766), (546, 37914), (623, 33228), (639, 32396), (801, 25844), (819, 25276), (852, 24297), (923, 22428), (994, 20826), (1068, 19383), (1092, 18957), (1157, 17892), (1246, 16614), (1278, 16198), (1491, 13884), (1602, 12922), (1638, 12638), (1846, 11214), (1869, 11076), (1988, 10413), (2314, 8946), (2492, 8307), (2556, 8099), (2769, 7476), (2982, 6942), (3204, 6461), (3276, 6319), (3471, 5964), (3692, 5607), (3738, 5538), (4473, 4628)]