20837112

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 54341760

約数和(自身を除く): 33504648

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 61, 86, 122, 129, 172, 183, 244, 258, 331, 344, 366, 488, 516, 662, 732, 993, 1032, 1324, 1464, 1986, 2623, 2648, 3972, 5246, 7869, 7944, 10492, 14233, 15738, 20191, 20984, 28466, 31476, 40382, 42699, 56932, 60573, 62952, 80764, 85398, 113864, 121146, 161528, 170796, 242292, 341592, 484584, 868213, 1736426, 2604639, 3472852, 5209278, 6945704, 10418556, 20837112]

約数ペア:

[(1, 20837112), (2, 10418556), (3, 6945704), (4, 5209278), (6, 3472852), (8, 2604639), (12, 1736426), (24, 868213), (43, 484584), (61, 341592), (86, 242292), (122, 170796), (129, 161528), (172, 121146), (183, 113864), (244, 85398), (258, 80764), (331, 62952), (344, 60573), (366, 56932), (488, 42699), (516, 40382), (662, 31476), (732, 28466), (993, 20984), (1032, 20191), (1324, 15738), (1464, 14233), (1986, 10492), (2623, 7944), (2648, 7869), (3972, 5246)]