20010376980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10106251}}^1$

素因数の和:10106277

約数の個数: 72

約数和(自身を含む): 66216163104

約数和(自身を除く): 46205786124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 10106251, 20212502, 30318753, 40425004, 50531255, 60637506, 90956259, 101062510, 111168761, 121275012, 151593765, 181912518, 202125020, 222337522, 303187530, 333506283, 363825036, 444675044, 454781295, 555843805, 606375060, 667012566, 909562590, 1000518849, 1111687610, 1334025132, 1667531415, 1819125180, 2001037698, 2223375220, 3335062830, 4002075396, 5002594245, 6670125660, 10005188490, 20010376980]

約数ペア:

[(1, 20010376980), (2, 10005188490), (3, 6670125660), (4, 5002594245), (5, 4002075396), (6, 3335062830), (9, 2223375220), (10, 2001037698), (11, 1819125180), (12, 1667531415), (15, 1334025132), (18, 1111687610), (20, 1000518849), (22, 909562590), (30, 667012566), (33, 606375060), (36, 555843805), (44, 454781295), (45, 444675044), (55, 363825036), (60, 333506283), (66, 303187530), (90, 222337522), (99, 202125020), (110, 181912518), (132, 151593765), (165, 121275012), (180, 111168761), (198, 101062510), (220, 90956259), (330, 60637506), (396, 50531255), (495, 40425004), (660, 30318753), (990, 20212502), (1980, 10106251)]