20456469250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{1613}}^1\times {\mathrm{7247}}^1$

素因数の和:8884

約数の個数: 64

約数和(自身を含む): 43798330368

約数和(自身を除く): 23341861118

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 125, 175, 250, 350, 875, 1613, 1750, 3226, 7247, 8065, 11291, 14494, 16130, 22582, 36235, 40325, 50729, 56455, 72470, 80650, 101458, 112910, 181175, 201625, 253645, 282275, 362350, 403250, 507290, 564550, 905875, 1268225, 1411375, 1811750, 2536450, 2822750, 6341125, 11689411, 12682250, 23378822, 58447055, 81825877, 116894110, 163651754, 292235275, 409129385, 584470550, 818258770, 1461176375, 2045646925, 2922352750, 4091293850, 10228234625, 20456469250]

約数ペア:

[(1, 20456469250), (2, 10228234625), (5, 4091293850), (7, 2922352750), (10, 2045646925), (14, 1461176375), (25, 818258770), (35, 584470550), (50, 409129385), (70, 292235275), (125, 163651754), (175, 116894110), (250, 81825877), (350, 58447055), (875, 23378822), (1613, 12682250), (1750, 11689411), (3226, 6341125), (7247, 2822750), (8065, 2536450), (11291, 1811750), (14494, 1411375), (16130, 1268225), (22582, 905875), (36235, 564550), (40325, 507290), (50729, 403250), (56455, 362350), (72470, 282275), (80650, 253645), (101458, 201625), (112910, 181175)]