20167399900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{1279}}^1$

素因数の和:1548

約数の個数: 144

約数和(自身を含む): 47419187200

約数和(自身を除く): 27251787300

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 43, 50, 76, 86, 95, 100, 172, 190, 193, 215, 380, 386, 430, 475, 772, 817, 860, 950, 965, 1075, 1279, 1634, 1900, 1930, 2150, 2558, 3268, 3667, 3860, 4085, 4300, 4825, 5116, 6395, 7334, 8170, 8299, 9650, 12790, 14668, 16340, 16598, 18335, 19300, 20425, 24301, 25580, 31975, 33196, 36670, 40850, 41495, 48602, 54997, 63950, 73340, 81700, 82990, 91675, 97204, 109994, 121505, 127900, 157681, 165980, 183350, 207475, 219988, 243010, 246847, 274985, 315362, 366700, 414950, 486020, 493694, 549970, 607525, 630724, 788405, 829900, 987388, 1044943, 1099940, 1215050, 1234235, 1374925, 1576810, 2089886, 2430100, 2468470, 2749850, 3153620, 3942025, 4179772, 4690093, 4936940, 5224715, 5499700, 6171175, 7884050, 9380186, 10449430, 10614421, 12342350, 15768100, 18760372, 20898860, 21228842, 23450465, 24684700, 26123575, 42457684, 46900930, 52247150, 53072105, 93801860, 104494300, 106144210, 117252325, 201673999, 212288420, 234504650, 265360525, 403347998, 469009300, 530721050, 806695996, 1008369995, 1061442100, 2016739990, 4033479980, 5041849975, 10083699950, 20167399900]

約数ペア:

[(1, 20167399900), (2, 10083699950), (4, 5041849975), (5, 4033479980), (10, 2016739990), (19, 1061442100), (20, 1008369995), (25, 806695996), (38, 530721050), (43, 469009300), (50, 403347998), (76, 265360525), (86, 234504650), (95, 212288420), (100, 201673999), (172, 117252325), (190, 106144210), (193, 104494300), (215, 93801860), (380, 53072105), (386, 52247150), (430, 46900930), (475, 42457684), (772, 26123575), (817, 24684700), (860, 23450465), (950, 21228842), (965, 20898860), (1075, 18760372), (1279, 15768100), (1634, 12342350), (1900, 10614421), (1930, 10449430), (2150, 9380186), (2558, 7884050), (3268, 6171175), (3667, 5499700), (3860, 5224715), (4085, 4936940), (4300, 4690093), (4825, 4179772), (5116, 3942025), (6395, 3153620), (7334, 2749850), (8170, 2468470), (8299, 2430100), (9650, 2089886), (12790, 1576810), (14668, 1374925), (16340, 1234235), (16598, 1215050), (18335, 1099940), (19300, 1044943), (20425, 987388), (24301, 829900), (25580, 788405), (31975, 630724), (33196, 607525), (36670, 549970), (40850, 493694), (41495, 486020), (48602, 414950), (54997, 366700), (63950, 315362), (73340, 274985), (81700, 246847), (82990, 243010), (91675, 219988), (97204, 207475), (109994, 183350), (121505, 165980), (127900, 157681)]