20035796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 40653312

約数和(自身を除く): 20617516

約数列:

[1, 2, 4, 11, 22, 31, 37, 44, 62, 74, 124, 148, 341, 397, 407, 682, 794, 814, 1147, 1364, 1588, 1628, 2294, 4367, 4588, 8734, 12307, 12617, 14689, 17468, 24614, 25234, 29378, 49228, 50468, 58756, 135377, 161579, 270754, 323158, 455359, 541508, 646316, 910718, 1821436, 5008949, 10017898, 20035796]

約数ペア:

[(1, 20035796), (2, 10017898), (4, 5008949), (11, 1821436), (22, 910718), (31, 646316), (37, 541508), (44, 455359), (62, 323158), (74, 270754), (124, 161579), (148, 135377), (341, 58756), (397, 50468), (407, 49228), (682, 29378), (794, 25234), (814, 24614), (1147, 17468), (1364, 14689), (1588, 12617), (1628, 12307), (2294, 8734), (4367, 4588)]