20012412

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 56383488

約数和(自身を除く): 36371076

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 47, 74, 84, 94, 111, 137, 141, 148, 188, 222, 259, 274, 282, 329, 411, 444, 518, 548, 564, 658, 777, 822, 959, 987, 1036, 1316, 1554, 1644, 1739, 1918, 1974, 2877, 3108, 3478, 3836, 3948, 5069, 5217, 5754, 6439, 6956, 10138, 10434, 11508, 12173, 12878, 15207, 19317, 20276, 20868, 24346, 25756, 30414, 35483, 36519, 38634, 45073, 48692, 60828, 70966, 73038, 77268, 90146, 106449, 135219, 141932, 146076, 180292, 212898, 238243, 270438, 425796, 476486, 540876, 714729, 952972, 1429458, 1667701, 2858916, 3335402, 5003103, 6670804, 10006206, 20012412]

約数ペア:

[(1, 20012412), (2, 10006206), (3, 6670804), (4, 5003103), (6, 3335402), (7, 2858916), (12, 1667701), (14, 1429458), (21, 952972), (28, 714729), (37, 540876), (42, 476486), (47, 425796), (74, 270438), (84, 238243), (94, 212898), (111, 180292), (137, 146076), (141, 141932), (148, 135219), (188, 106449), (222, 90146), (259, 77268), (274, 73038), (282, 70966), (329, 60828), (411, 48692), (444, 45073), (518, 38634), (548, 36519), (564, 35483), (658, 30414), (777, 25756), (822, 24346), (959, 20868), (987, 20276), (1036, 19317), (1316, 15207), (1554, 12878), (1644, 12173), (1739, 11508), (1918, 10434), (1974, 10138), (2877, 6956), (3108, 6439), (3478, 5754), (3836, 5217), (3948, 5069)]