20464458

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1481}}^1$

素因数の和:1547

約数の個数: 48

約数和(自身を含む): 48657024

約数和(自身を除く): 28192566

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 49, 94, 98, 141, 147, 282, 294, 329, 658, 987, 1481, 1974, 2303, 2962, 4443, 4606, 6909, 8886, 10367, 13818, 20734, 31101, 62202, 69607, 72569, 139214, 145138, 208821, 217707, 417642, 435414, 487249, 974498, 1461747, 2923494, 3410743, 6821486, 10232229, 20464458]

約数ペア:

[(1, 20464458), (2, 10232229), (3, 6821486), (6, 3410743), (7, 2923494), (14, 1461747), (21, 974498), (42, 487249), (47, 435414), (49, 417642), (94, 217707), (98, 208821), (141, 145138), (147, 139214), (282, 72569), (294, 69607), (329, 62202), (658, 31101), (987, 20734), (1481, 13818), (1974, 10367), (2303, 8886), (2962, 6909), (4443, 4606)]