20102130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{557}}^1$

素因数の和:971

約数の個数: 48

約数和(自身を含む): 52489944

約数和(自身を除く): 32387814

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 401, 557, 802, 1114, 1203, 1671, 2005, 2406, 2785, 3342, 3609, 4010, 5013, 5570, 6015, 7218, 8355, 10026, 12030, 16710, 18045, 25065, 36090, 50130, 223357, 446714, 670071, 1116785, 1340142, 2010213, 2233570, 3350355, 4020426, 6700710, 10051065, 20102130]

約数ペア:

[(1, 20102130), (2, 10051065), (3, 6700710), (5, 4020426), (6, 3350355), (9, 2233570), (10, 2010213), (15, 1340142), (18, 1116785), (30, 670071), (45, 446714), (90, 223357), (401, 50130), (557, 36090), (802, 25065), (1114, 18045), (1203, 16710), (1671, 12030), (2005, 10026), (2406, 8355), (2785, 7218), (3342, 6015), (3609, 5570), (4010, 5013)]