20960960

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2113}}^1$

素因数の和:2161

約数の個数: 56

約数和(自身を含む): 51547776

約数和(自身を除く): 30586816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2113, 2480, 4226, 4960, 8452, 9920, 10565, 16904, 21130, 33808, 42260, 65503, 67616, 84520, 131006, 135232, 169040, 262012, 327515, 338080, 524024, 655030, 676160, 1048048, 1310060, 2096096, 2620120, 4192192, 5240240, 10480480, 20960960]

約数ペア:

[(1, 20960960), (2, 10480480), (4, 5240240), (5, 4192192), (8, 2620120), (10, 2096096), (16, 1310060), (20, 1048048), (31, 676160), (32, 655030), (40, 524024), (62, 338080), (64, 327515), (80, 262012), (124, 169040), (155, 135232), (160, 131006), (248, 84520), (310, 67616), (320, 65503), (496, 42260), (620, 33808), (992, 21130), (1240, 16904), (1984, 10565), (2113, 9920), (2480, 8452), (4226, 4960)]