20945824

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:373

約数の個数: 48

約数和(自身を含む): 43545600

約数和(自身を除く): 22599776

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 149, 184, 191, 298, 368, 382, 596, 736, 764, 1192, 1528, 2384, 3056, 3427, 4393, 4768, 6112, 6854, 8786, 13708, 17572, 27416, 28459, 35144, 54832, 56918, 70288, 109664, 113836, 140576, 227672, 455344, 654557, 910688, 1309114, 2618228, 5236456, 10472912, 20945824]

約数ペア:

[(1, 20945824), (2, 10472912), (4, 5236456), (8, 2618228), (16, 1309114), (23, 910688), (32, 654557), (46, 455344), (92, 227672), (149, 140576), (184, 113836), (191, 109664), (298, 70288), (368, 56918), (382, 54832), (596, 35144), (736, 28459), (764, 27416), (1192, 17572), (1528, 13708), (2384, 8786), (3056, 6854), (3427, 6112), (4393, 4768)]