20963172530

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{191}}^1\times {\mathrm{30403}}^1$

素因数の和:30639

約数の個数: 48

約数和(自身を含む): 40034041344

約数和(自身を除く): 19070868814

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 191, 361, 382, 722, 955, 1805, 1910, 3610, 3629, 7258, 18145, 30403, 36290, 60806, 68951, 137902, 152015, 304030, 344755, 577657, 689510, 1155314, 2888285, 5776570, 5806973, 10975483, 11613946, 21950966, 29034865, 54877415, 58069730, 109754830, 110332487, 220664974, 551662435, 1103324870, 2096317253, 4192634506, 10481586265, 20963172530]

約数ペア:

[(1, 20963172530), (2, 10481586265), (5, 4192634506), (10, 2096317253), (19, 1103324870), (38, 551662435), (95, 220664974), (190, 110332487), (191, 109754830), (361, 58069730), (382, 54877415), (722, 29034865), (955, 21950966), (1805, 11613946), (1910, 10975483), (3610, 5806973), (3629, 5776570), (7258, 2888285), (18145, 1155314), (30403, 689510), (36290, 577657), (60806, 344755), (68951, 304030), (137902, 152015)]