20258028

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4231}}^1$

素因数の和:4267

約数の個数: 72

約数和(自身を含む): 61617920

約数和(自身を除く): 41359892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4231, 4788, 8462, 12693, 16924, 25386, 29617, 38079, 50772, 59234, 76158, 80389, 88851, 118468, 152316, 160778, 177702, 241167, 266553, 321556, 355404, 482334, 533106, 562723, 723501, 964668, 1066212, 1125446, 1447002, 1688169, 2250892, 2894004, 3376338, 5064507, 6752676, 10129014, 20258028]

約数ペア:

[(1, 20258028), (2, 10129014), (3, 6752676), (4, 5064507), (6, 3376338), (7, 2894004), (9, 2250892), (12, 1688169), (14, 1447002), (18, 1125446), (19, 1066212), (21, 964668), (28, 723501), (36, 562723), (38, 533106), (42, 482334), (57, 355404), (63, 321556), (76, 266553), (84, 241167), (114, 177702), (126, 160778), (133, 152316), (171, 118468), (228, 88851), (252, 80389), (266, 76158), (342, 59234), (399, 50772), (532, 38079), (684, 29617), (798, 25386), (1197, 16924), (1596, 12693), (2394, 8462), (4231, 4788)]