20246465240

素因数分解:

$2^3\times 5^1\times {\mathrm{283}}^1\times {\mathrm{409}}^1\times {\mathrm{4373}}^1$

素因数の和:5076

約数の個数: 64

約数和(自身を含む): 45837770400

約数和(自身を除く): 25591305160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 283, 409, 566, 818, 1132, 1415, 1636, 2045, 2264, 2830, 3272, 4090, 4373, 5660, 8180, 8746, 11320, 16360, 17492, 21865, 34984, 43730, 87460, 115747, 174920, 231494, 462988, 578735, 925976, 1157470, 1237559, 1788557, 2314940, 2475118, 3577114, 4629880, 4950236, 6187795, 7154228, 8942785, 9900472, 12375590, 14308456, 17885570, 24751180, 35771140, 49502360, 71542280, 506161631, 1012323262, 2024646524, 2530808155, 4049293048, 5061616310, 10123232620, 20246465240]

約数ペア:

[(1, 20246465240), (2, 10123232620), (4, 5061616310), (5, 4049293048), (8, 2530808155), (10, 2024646524), (20, 1012323262), (40, 506161631), (283, 71542280), (409, 49502360), (566, 35771140), (818, 24751180), (1132, 17885570), (1415, 14308456), (1636, 12375590), (2045, 9900472), (2264, 8942785), (2830, 7154228), (3272, 6187795), (4090, 4950236), (4373, 4629880), (5660, 3577114), (8180, 2475118), (8746, 2314940), (11320, 1788557), (16360, 1237559), (17492, 1157470), (21865, 925976), (34984, 578735), (43730, 462988), (87460, 231494), (115747, 174920)]