20909460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2437}}^1$

素因数の和:2473

約数の個数: 96

約数和(自身を含む): 68810112

約数和(自身を除く): 47900652

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 195, 220, 260, 286, 330, 390, 429, 572, 660, 715, 780, 858, 1430, 1716, 2145, 2437, 2860, 4290, 4874, 7311, 8580, 9748, 12185, 14622, 24370, 26807, 29244, 31681, 36555, 48740, 53614, 63362, 73110, 80421, 95043, 107228, 126724, 134035, 146220, 158405, 160842, 190086, 268070, 316810, 321684, 348491, 380172, 402105, 475215, 536140, 633620, 696982, 804210, 950430, 1045473, 1393964, 1608420, 1742455, 1900860, 2090946, 3484910, 4181892, 5227365, 6969820, 10454730, 20909460]

約数ペア:

[(1, 20909460), (2, 10454730), (3, 6969820), (4, 5227365), (5, 4181892), (6, 3484910), (10, 2090946), (11, 1900860), (12, 1742455), (13, 1608420), (15, 1393964), (20, 1045473), (22, 950430), (26, 804210), (30, 696982), (33, 633620), (39, 536140), (44, 475215), (52, 402105), (55, 380172), (60, 348491), (65, 321684), (66, 316810), (78, 268070), (110, 190086), (130, 160842), (132, 158405), (143, 146220), (156, 134035), (165, 126724), (195, 107228), (220, 95043), (260, 80421), (286, 73110), (330, 63362), (390, 53614), (429, 48740), (572, 36555), (660, 31681), (715, 29244), (780, 26807), (858, 24370), (1430, 14622), (1716, 12185), (2145, 9748), (2437, 8580), (2860, 7311), (4290, 4874)]