20582010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 57103488

約数和(自身を除く): 36521478

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 61, 69, 90, 115, 122, 138, 163, 183, 207, 230, 305, 326, 345, 366, 414, 489, 549, 610, 690, 815, 915, 978, 1035, 1098, 1403, 1467, 1630, 1830, 2070, 2445, 2745, 2806, 2934, 3749, 4209, 4890, 5490, 7015, 7335, 7498, 8418, 9943, 11247, 12627, 14030, 14670, 18745, 19886, 21045, 22494, 25254, 29829, 33741, 37490, 42090, 49715, 56235, 59658, 63135, 67482, 89487, 99430, 112470, 126270, 149145, 168705, 178974, 228689, 298290, 337410, 447435, 457378, 686067, 894870, 1143445, 1372134, 2058201, 2286890, 3430335, 4116402, 6860670, 10291005, 20582010]

約数ペア:

[(1, 20582010), (2, 10291005), (3, 6860670), (5, 4116402), (6, 3430335), (9, 2286890), (10, 2058201), (15, 1372134), (18, 1143445), (23, 894870), (30, 686067), (45, 457378), (46, 447435), (61, 337410), (69, 298290), (90, 228689), (115, 178974), (122, 168705), (138, 149145), (163, 126270), (183, 112470), (207, 99430), (230, 89487), (305, 67482), (326, 63135), (345, 59658), (366, 56235), (414, 49715), (489, 42090), (549, 37490), (610, 33741), (690, 29829), (815, 25254), (915, 22494), (978, 21045), (1035, 19886), (1098, 18745), (1403, 14670), (1467, 14030), (1630, 12627), (1830, 11247), (2070, 9943), (2445, 8418), (2745, 7498), (2806, 7335), (2934, 7015), (3749, 5490), (4209, 4890)]