20228868160

素因数分解:

$2^6\times 5^1\times {\mathrm{8623}}^1\times {\mathrm{7331}}^1$

素因数の和:15971

約数の個数: 56

約数和(自身を含む): 48182150016

約数和(自身を除く): 27953281856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 7331, 8623, 14662, 17246, 29324, 34492, 36655, 43115, 58648, 68984, 73310, 86230, 117296, 137968, 146620, 172460, 234592, 275936, 293240, 344920, 469184, 551872, 586480, 689840, 1172960, 1379680, 2345920, 2759360, 63215213, 126430426, 252860852, 316076065, 505721704, 632152130, 1011443408, 1264304260, 2022886816, 2528608520, 4045773632, 5057217040, 10114434080, 20228868160]

約数ペア:

[(1, 20228868160), (2, 10114434080), (4, 5057217040), (5, 4045773632), (8, 2528608520), (10, 2022886816), (16, 1264304260), (20, 1011443408), (32, 632152130), (40, 505721704), (64, 316076065), (80, 252860852), (160, 126430426), (320, 63215213), (7331, 2759360), (8623, 2345920), (14662, 1379680), (17246, 1172960), (29324, 689840), (34492, 586480), (36655, 551872), (43115, 469184), (58648, 344920), (68984, 293240), (73310, 275936), (86230, 234592), (117296, 172460), (137968, 146620)]