20153267085

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{122957}}^1$

素因数の和:123202

約数の個数: 48

約数和(自身を含む): 37678265856

約数和(自身を除く): 17524998771

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 223, 245, 669, 735, 1115, 1561, 3345, 4683, 7805, 10927, 23415, 32781, 54635, 122957, 163905, 368871, 614785, 860699, 1844355, 2582097, 4303495, 6024893, 12910485, 18074679, 27419411, 30124465, 82258233, 90373395, 137097055, 191935877, 411291165, 575807631, 959679385, 1343551139, 2879038155, 4030653417, 6717755695, 20153267085]

約数ペア:

[(1, 20153267085), (3, 6717755695), (5, 4030653417), (7, 2879038155), (15, 1343551139), (21, 959679385), (35, 575807631), (49, 411291165), (105, 191935877), (147, 137097055), (223, 90373395), (245, 82258233), (669, 30124465), (735, 27419411), (1115, 18074679), (1561, 12910485), (3345, 6024893), (4683, 4303495), (7805, 2582097), (10927, 1844355), (23415, 860699), (32781, 614785), (54635, 368871), (122957, 163905)]