20219031440

素因数分解:

$2^4\times 5^1\times {\mathrm{2311}}^1\times {\mathrm{109363}}^1$

素因数の和:111687

約数の個数: 40

約数和(自身を含む): 47030019648

約数和(自身を除く): 26810988208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2311, 4622, 9244, 11555, 18488, 23110, 36976, 46220, 92440, 109363, 184880, 218726, 437452, 546815, 874904, 1093630, 1749808, 2187260, 4374520, 8749040, 252737893, 505475786, 1010951572, 1263689465, 2021903144, 2527378930, 4043806288, 5054757860, 10109515720, 20219031440]

約数ペア:

[(1, 20219031440), (2, 10109515720), (4, 5054757860), (5, 4043806288), (8, 2527378930), (10, 2021903144), (16, 1263689465), (20, 1010951572), (40, 505475786), (80, 252737893), (2311, 8749040), (4622, 4374520), (9244, 2187260), (11555, 1749808), (18488, 1093630), (23110, 874904), (36976, 546815), (46220, 437452), (92440, 218726), (109363, 184880)]