20131213904

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{2267}}^1\times {\mathrm{7817}}^1$

素因数の和:10163

約数の個数: 40

約数和(自身を含む): 39576091968

約数和(自身を除く): 19444878064

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 2267, 4534, 7817, 9068, 15634, 18136, 31268, 36272, 62536, 125072, 160957, 321914, 555007, 643828, 1110014, 1287656, 2220028, 2575312, 4440056, 8880112, 17721139, 35442278, 70884556, 141769112, 283538224, 1258200869, 2516401738, 5032803476, 10065606952, 20131213904]

約数ペア:

[(1, 20131213904), (2, 10065606952), (4, 5032803476), (8, 2516401738), (16, 1258200869), (71, 283538224), (142, 141769112), (284, 70884556), (568, 35442278), (1136, 17721139), (2267, 8880112), (4534, 4440056), (7817, 2575312), (9068, 2220028), (15634, 1287656), (18136, 1110014), (31268, 643828), (36272, 555007), (62536, 321914), (125072, 160957)]