20561661510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1667}}^1\times {\mathrm{31627}}^1$

素因数の和:33317

約数の個数: 64

約数和(自身を含む): 53177548032

約数和(自身を除く): 32615886522

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 1667, 3334, 5001, 8335, 10002, 16670, 21671, 25005, 31627, 43342, 50010, 63254, 65013, 94881, 108355, 130026, 158135, 189762, 216710, 316270, 325065, 411151, 474405, 650130, 822302, 948810, 1233453, 2055755, 2466906, 4111510, 6167265, 12334530, 52722209, 105444418, 158166627, 263611045, 316333254, 527222090, 685388717, 790833135, 1370777434, 1581666270, 2056166151, 3426943585, 4112332302, 6853887170, 10280830755, 20561661510]

約数ペア:

[(1, 20561661510), (2, 10280830755), (3, 6853887170), (5, 4112332302), (6, 3426943585), (10, 2056166151), (13, 1581666270), (15, 1370777434), (26, 790833135), (30, 685388717), (39, 527222090), (65, 316333254), (78, 263611045), (130, 158166627), (195, 105444418), (390, 52722209), (1667, 12334530), (3334, 6167265), (5001, 4111510), (8335, 2466906), (10002, 2055755), (16670, 1233453), (21671, 948810), (25005, 822302), (31627, 650130), (43342, 474405), (50010, 411151), (63254, 325065), (65013, 316270), (94881, 216710), (108355, 189762), (130026, 158135)]