20309172

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{617}}^1$

素因数の和:848

約数の個数: 48

約数和(自身を含む): 51358272

約数和(自身を除く): 31049100

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 211, 422, 617, 633, 844, 1234, 1266, 1851, 2468, 2532, 2743, 3702, 5486, 7404, 8021, 8229, 10972, 16042, 16458, 24063, 32084, 32916, 48126, 96252, 130187, 260374, 390561, 520748, 781122, 1562244, 1692431, 3384862, 5077293, 6769724, 10154586, 20309172]

約数ペア:

[(1, 20309172), (2, 10154586), (3, 6769724), (4, 5077293), (6, 3384862), (12, 1692431), (13, 1562244), (26, 781122), (39, 520748), (52, 390561), (78, 260374), (156, 130187), (211, 96252), (422, 48126), (617, 32916), (633, 32084), (844, 24063), (1234, 16458), (1266, 16042), (1851, 10972), (2468, 8229), (2532, 8021), (2743, 7404), (3702, 5486)]