20223445840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1495817}}^1$

素因数の和:1495856

約数の個数: 60

約数和(自身を含む): 50914653084

約数和(自身を除く): 30691207244

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6760, 13520, 1495817, 2991634, 5983268, 7479085, 11966536, 14958170, 19445621, 23933072, 29916340, 38891242, 59832680, 77782484, 97228105, 119665360, 155564968, 194456210, 252793073, 311129936, 388912420, 505586146, 777824840, 1011172292, 1263965365, 1555649680, 2022344584, 2527930730, 4044689168, 5055861460, 10111722920, 20223445840]

約数ペア:

[(1, 20223445840), (2, 10111722920), (4, 5055861460), (5, 4044689168), (8, 2527930730), (10, 2022344584), (13, 1555649680), (16, 1263965365), (20, 1011172292), (26, 777824840), (40, 505586146), (52, 388912420), (65, 311129936), (80, 252793073), (104, 194456210), (130, 155564968), (169, 119665360), (208, 97228105), (260, 77782484), (338, 59832680), (520, 38891242), (676, 29916340), (845, 23933072), (1040, 19445621), (1352, 14958170), (1690, 11966536), (2704, 7479085), (3380, 5983268), (6760, 2991634), (13520, 1495817)]