20702856

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{547}}^1$

素因数の和:658

約数の個数: 64

約数和(自身を含む): 55238400

約数和(自身を除く): 34535544

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 83, 114, 152, 166, 228, 249, 332, 456, 498, 547, 664, 996, 1094, 1577, 1641, 1992, 2188, 3154, 3282, 4376, 4731, 6308, 6564, 9462, 10393, 12616, 13128, 18924, 20786, 31179, 37848, 41572, 45401, 62358, 83144, 90802, 124716, 136203, 181604, 249432, 272406, 363208, 544812, 862619, 1089624, 1725238, 2587857, 3450476, 5175714, 6900952, 10351428, 20702856]

約数ペア:

[(1, 20702856), (2, 10351428), (3, 6900952), (4, 5175714), (6, 3450476), (8, 2587857), (12, 1725238), (19, 1089624), (24, 862619), (38, 544812), (57, 363208), (76, 272406), (83, 249432), (114, 181604), (152, 136203), (166, 124716), (228, 90802), (249, 83144), (332, 62358), (456, 45401), (498, 41572), (547, 37848), (664, 31179), (996, 20786), (1094, 18924), (1577, 13128), (1641, 12616), (1992, 10393), (2188, 9462), (3154, 6564), (3282, 6308), (4376, 4731)]