20847864

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 55440000

約数和(自身を除く): 34592136

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 131, 152, 228, 262, 349, 393, 456, 524, 698, 786, 1047, 1048, 1396, 1572, 2094, 2489, 2792, 3144, 4188, 4978, 6631, 7467, 8376, 9956, 13262, 14934, 19893, 19912, 26524, 29868, 39786, 45719, 53048, 59736, 79572, 91438, 137157, 159144, 182876, 274314, 365752, 548628, 868661, 1097256, 1737322, 2605983, 3474644, 5211966, 6949288, 10423932, 20847864]

約数ペア:

[(1, 20847864), (2, 10423932), (3, 6949288), (4, 5211966), (6, 3474644), (8, 2605983), (12, 1737322), (19, 1097256), (24, 868661), (38, 548628), (57, 365752), (76, 274314), (114, 182876), (131, 159144), (152, 137157), (228, 91438), (262, 79572), (349, 59736), (393, 53048), (456, 45719), (524, 39786), (698, 29868), (786, 26524), (1047, 19912), (1048, 19893), (1396, 14934), (1572, 13262), (2094, 9956), (2489, 8376), (2792, 7467), (3144, 6631), (4188, 4978)]