20783969296

素因数分解:

$2^4\times {\mathrm{557}}^1\times {\mathrm{1399}}^1\times {\mathrm{1667}}^1$

素因数の和:3631

約数の個数: 40

約数和(自身を含む): 40394289600

約数和(自身を除く): 19610320304

約数列:

[1, 2, 4, 8, 16, 557, 1114, 1399, 1667, 2228, 2798, 3334, 4456, 5596, 6668, 8912, 11192, 13336, 22384, 26672, 779243, 928519, 1558486, 1857038, 2332133, 3116972, 3714076, 4664266, 6233944, 7428152, 9328532, 12467888, 14856304, 18657064, 37314128, 1298998081, 2597996162, 5195992324, 10391984648, 20783969296]

約数ペア:

[(1, 20783969296), (2, 10391984648), (4, 5195992324), (8, 2597996162), (16, 1298998081), (557, 37314128), (1114, 18657064), (1399, 14856304), (1667, 12467888), (2228, 9328532), (2798, 7428152), (3334, 6233944), (4456, 4664266), (5596, 3714076), (6668, 3116972), (8912, 2332133), (11192, 1857038), (13336, 1558486), (22384, 928519), (26672, 779243)]