20185360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1493}}^1$

素因数の和:1532

約数の個数: 60

約数和(自身を含む): 50852772

約数和(自身を除く): 30667412

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, 1493, 1690, 2704, 2986, 3380, 5972, 6760, 7465, 11944, 13520, 14930, 19409, 23888, 29860, 38818, 59720, 77636, 97045, 119440, 155272, 194090, 252317, 310544, 388180, 504634, 776360, 1009268, 1261585, 1552720, 2018536, 2523170, 4037072, 5046340, 10092680, 20185360]

約数ペア:

[(1, 20185360), (2, 10092680), (4, 5046340), (5, 4037072), (8, 2523170), (10, 2018536), (13, 1552720), (16, 1261585), (20, 1009268), (26, 776360), (40, 504634), (52, 388180), (65, 310544), (80, 252317), (104, 194090), (130, 155272), (169, 119440), (208, 97045), (260, 77636), (338, 59720), (520, 38818), (676, 29860), (845, 23888), (1040, 19409), (1352, 14930), (1493, 13520), (1690, 11944), (2704, 7465), (2986, 6760), (3380, 5972)]