20170776464

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{691}}^1\times {\mathrm{1187}}^1$

素因数の和:1968

約数の個数: 80

約数和(自身を含む): 41285661120

約数和(自身を除く): 21114884656

約数列:

[1, 2, 4, 8, 16, 29, 53, 58, 106, 116, 212, 232, 424, 464, 691, 848, 1187, 1382, 1537, 2374, 2764, 3074, 4748, 5528, 6148, 9496, 11056, 12296, 18992, 20039, 24592, 34423, 36623, 40078, 62911, 68846, 73246, 80156, 125822, 137692, 146492, 160312, 251644, 275384, 292984, 320624, 503288, 550768, 585968, 820217, 1006576, 1062067, 1640434, 1824419, 2124134, 3280868, 3648838, 4248268, 6561736, 7297676, 8496536, 13123472, 14595352, 16993072, 23786293, 29190704, 43471501, 47572586, 86943002, 95145172, 173886004, 190290344, 347772008, 380580688, 695544016, 1260673529, 2521347058, 5042694116, 10085388232, 20170776464]

約数ペア:

[(1, 20170776464), (2, 10085388232), (4, 5042694116), (8, 2521347058), (16, 1260673529), (29, 695544016), (53, 380580688), (58, 347772008), (106, 190290344), (116, 173886004), (212, 95145172), (232, 86943002), (424, 47572586), (464, 43471501), (691, 29190704), (848, 23786293), (1187, 16993072), (1382, 14595352), (1537, 13123472), (2374, 8496536), (2764, 7297676), (3074, 6561736), (4748, 4248268), (5528, 3648838), (6148, 3280868), (9496, 2124134), (11056, 1824419), (12296, 1640434), (18992, 1062067), (20039, 1006576), (24592, 820217), (34423, 585968), (36623, 550768), (40078, 503288), (62911, 320624), (68846, 292984), (73246, 275384), (80156, 251644), (125822, 160312), (137692, 146492)]