20218804680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1697}}^1\times {\mathrm{2309}}^1$

素因数の和:4063

約数の個数: 128

約数和(自身を含む): 62130499200

約数和(自身を除く): 41911694520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1697, 1720, 2309, 2580, 3394, 4618, 5091, 5160, 6788, 6927, 8485, 9236, 10182, 11545, 13576, 13854, 16970, 18472, 20364, 23090, 25455, 27708, 33940, 34635, 40728, 46180, 50910, 55416, 67880, 69270, 72971, 92360, 99287, 101820, 138540, 145942, 198574, 203640, 218913, 277080, 291884, 297861, 364855, 397148, 437826, 496435, 583768, 595722, 729710, 794296, 875652, 992870, 1094565, 1191444, 1459420, 1489305, 1751304, 1985740, 2189130, 2382888, 2918840, 2978610, 3918373, 3971480, 4378260, 5957220, 7836746, 8756520, 11755119, 11914440, 15673492, 19591865, 23510238, 31346984, 39183730, 47020476, 58775595, 78367460, 94040952, 117551190, 156734920, 168490039, 235102380, 336980078, 470204760, 505470117, 673960156, 842450195, 1010940234, 1347920312, 1684900390, 2021880468, 2527350585, 3369800780, 4043760936, 5054701170, 6739601560, 10109402340, 20218804680]

約数ペア:

[(1, 20218804680), (2, 10109402340), (3, 6739601560), (4, 5054701170), (5, 4043760936), (6, 3369800780), (8, 2527350585), (10, 2021880468), (12, 1684900390), (15, 1347920312), (20, 1010940234), (24, 842450195), (30, 673960156), (40, 505470117), (43, 470204760), (60, 336980078), (86, 235102380), (120, 168490039), (129, 156734920), (172, 117551190), (215, 94040952), (258, 78367460), (344, 58775595), (430, 47020476), (516, 39183730), (645, 31346984), (860, 23510238), (1032, 19591865), (1290, 15673492), (1697, 11914440), (1720, 11755119), (2309, 8756520), (2580, 7836746), (3394, 5957220), (4618, 4378260), (5091, 3971480), (5160, 3918373), (6788, 2978610), (6927, 2918840), (8485, 2382888), (9236, 2189130), (10182, 1985740), (11545, 1751304), (13576, 1489305), (13854, 1459420), (16970, 1191444), (18472, 1094565), (20364, 992870), (23090, 875652), (25455, 794296), (27708, 729710), (33940, 595722), (34635, 583768), (40728, 496435), (46180, 437826), (50910, 397148), (55416, 364855), (67880, 297861), (69270, 291884), (72971, 277080), (92360, 218913), (99287, 203640), (101820, 198574), (138540, 145942)]