20834108

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 40857600

約数和(自身を除く): 20023492

約数列:

[1, 2, 4, 19, 31, 37, 38, 62, 74, 76, 124, 148, 239, 478, 589, 703, 956, 1147, 1178, 1406, 2294, 2356, 2812, 4541, 4588, 7409, 8843, 9082, 14818, 17686, 18164, 21793, 29636, 35372, 43586, 87172, 140771, 168017, 274133, 281542, 336034, 548266, 563084, 672068, 1096532, 5208527, 10417054, 20834108]

約数ペア:

[(1, 20834108), (2, 10417054), (4, 5208527), (19, 1096532), (31, 672068), (37, 563084), (38, 548266), (62, 336034), (74, 281542), (76, 274133), (124, 168017), (148, 140771), (239, 87172), (478, 43586), (589, 35372), (703, 29636), (956, 21793), (1147, 18164), (1178, 17686), (1406, 14818), (2294, 9082), (2356, 8843), (2812, 7409), (4541, 4588)]