20113237840

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3541063}}^1$

素因数の和:3541147

約数の個数: 40

約数和(自身を含む): 47421929088

約数和(自身を除く): 27308691248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 3541063, 7082126, 14164252, 17705315, 28328504, 35410630, 56657008, 70821260, 141642520, 251415473, 283285040, 502830946, 1005661892, 1257077365, 2011323784, 2514154730, 4022647568, 5028309460, 10056618920, 20113237840]

約数ペア:

[(1, 20113237840), (2, 10056618920), (4, 5028309460), (5, 4022647568), (8, 2514154730), (10, 2011323784), (16, 1257077365), (20, 1005661892), (40, 502830946), (71, 283285040), (80, 251415473), (142, 141642520), (284, 70821260), (355, 56657008), (568, 35410630), (710, 28328504), (1136, 17705315), (1420, 14164252), (2840, 7082126), (5680, 3541063)]