20498928

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{7001}}^1$

素因数の和:7073

約数の個数: 40

約数和(自身を含む): 53831376

約数和(自身を除く): 33332448

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 122, 183, 244, 366, 488, 732, 976, 1464, 2928, 7001, 14002, 21003, 28004, 42006, 56008, 84012, 112016, 168024, 336048, 427061, 854122, 1281183, 1708244, 2562366, 3416488, 5124732, 6832976, 10249464, 20498928]

約数ペア:

[(1, 20498928), (2, 10249464), (3, 6832976), (4, 5124732), (6, 3416488), (8, 2562366), (12, 1708244), (16, 1281183), (24, 854122), (48, 427061), (61, 336048), (122, 168024), (183, 112016), (244, 84012), (366, 56008), (488, 42006), (732, 28004), (976, 21003), (1464, 14002), (2928, 7001)]