20932599280

素因数分解:

$2^4\times 5^1\times {\mathrm{797}}^1\times {\mathrm{328303}}^1$

素因数の和:329113

約数の個数: 40

約数和(自身を含む): 48729506112

約数和(自身を除く): 27796906832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 797, 1594, 3188, 3985, 6376, 7970, 12752, 15940, 31880, 63760, 328303, 656606, 1313212, 1641515, 2626424, 3283030, 5252848, 6566060, 13132120, 26264240, 261657491, 523314982, 1046629964, 1308287455, 2093259928, 2616574910, 4186519856, 5233149820, 10466299640, 20932599280]

約数ペア:

[(1, 20932599280), (2, 10466299640), (4, 5233149820), (5, 4186519856), (8, 2616574910), (10, 2093259928), (16, 1308287455), (20, 1046629964), (40, 523314982), (80, 261657491), (797, 26264240), (1594, 13132120), (3188, 6566060), (3985, 5252848), (6376, 3283030), (7970, 2626424), (12752, 1641515), (15940, 1313212), (31880, 656606), (63760, 328303)]