20542290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{857}}^1$

素因数の和:931

約数の個数: 64

約数和(自身を含む): 53374464

約数和(自身を除く): 32832174

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 47, 51, 85, 94, 102, 141, 170, 235, 255, 282, 470, 510, 705, 799, 857, 1410, 1598, 1714, 2397, 2571, 3995, 4285, 4794, 5142, 7990, 8570, 11985, 12855, 14569, 23970, 25710, 29138, 40279, 43707, 72845, 80558, 87414, 120837, 145690, 201395, 218535, 241674, 402790, 437070, 604185, 684743, 1208370, 1369486, 2054229, 3423715, 4108458, 6847430, 10271145, 20542290]

約数ペア:

[(1, 20542290), (2, 10271145), (3, 6847430), (5, 4108458), (6, 3423715), (10, 2054229), (15, 1369486), (17, 1208370), (30, 684743), (34, 604185), (47, 437070), (51, 402790), (85, 241674), (94, 218535), (102, 201395), (141, 145690), (170, 120837), (235, 87414), (255, 80558), (282, 72845), (470, 43707), (510, 40279), (705, 29138), (799, 25710), (857, 23970), (1410, 14569), (1598, 12855), (1714, 11985), (2397, 8570), (2571, 7990), (3995, 5142), (4285, 4794)]