20177021970

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{1049}}^1\times {\mathrm{10177}}^1$

素因数の和:11249

約数の個数: 128

約数和(自身を含む): 61556544000

約数和(自身を除く): 41379522030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1049, 1890, 2098, 3147, 5245, 6294, 7343, 9441, 10177, 10490, 14686, 15735, 18882, 20354, 22029, 28323, 30531, 31470, 36715, 44058, 47205, 50885, 56646, 61062, 66087, 71239, 73430, 91593, 94410, 101770, 110145, 132174, 141615, 142478, 152655, 183186, 198261, 213717, 220290, 274779, 283230, 305310, 330435, 356195, 396522, 427434, 457965, 549558, 641151, 660870, 712390, 915930, 991305, 1068585, 1282302, 1373895, 1923453, 1982610, 2137170, 2747790, 3205755, 3846906, 6411510, 9617265, 10675673, 19234530, 21351346, 32027019, 53378365, 64054038, 74729711, 96081057, 106756730, 149459422, 160135095, 192162114, 224189133, 288243171, 320270190, 373648555, 448378266, 480405285, 576486342, 672567399, 747297110, 960810570, 1120945665, 1345134798, 1441215855, 2017702197, 2241891330, 2882431710, 3362836995, 4035404394, 6725673990, 10088510985, 20177021970]

約数ペア:

[(1, 20177021970), (2, 10088510985), (3, 6725673990), (5, 4035404394), (6, 3362836995), (7, 2882431710), (9, 2241891330), (10, 2017702197), (14, 1441215855), (15, 1345134798), (18, 1120945665), (21, 960810570), (27, 747297110), (30, 672567399), (35, 576486342), (42, 480405285), (45, 448378266), (54, 373648555), (63, 320270190), (70, 288243171), (90, 224189133), (105, 192162114), (126, 160135095), (135, 149459422), (189, 106756730), (210, 96081057), (270, 74729711), (315, 64054038), (378, 53378365), (630, 32027019), (945, 21351346), (1049, 19234530), (1890, 10675673), (2098, 9617265), (3147, 6411510), (5245, 3846906), (6294, 3205755), (7343, 2747790), (9441, 2137170), (10177, 1982610), (10490, 1923453), (14686, 1373895), (15735, 1282302), (18882, 1068585), (20354, 991305), (22029, 915930), (28323, 712390), (30531, 660870), (31470, 641151), (36715, 549558), (44058, 457965), (47205, 427434), (50885, 396522), (56646, 356195), (61062, 330435), (66087, 305310), (71239, 283230), (73430, 274779), (91593, 220290), (94410, 213717), (101770, 198261), (110145, 183186), (132174, 152655), (141615, 142478)]