20165397720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{691}}^1\times {\mathrm{1439}}^1$

素因数の和:2170

約数の個数: 192

約数和(自身を含む): 65648102400

約数和(自身を除く): 45482704680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 169, 195, 260, 312, 338, 390, 507, 520, 676, 691, 780, 845, 1014, 1352, 1382, 1439, 1560, 1690, 2028, 2073, 2535, 2764, 2878, 3380, 3455, 4056, 4146, 4317, 5070, 5528, 5756, 6760, 6910, 7195, 8292, 8634, 8983, 10140, 10365, 11512, 13820, 14390, 16584, 17268, 17966, 18707, 20280, 20730, 21585, 26949, 27640, 28780, 34536, 35932, 37414, 41460, 43170, 44915, 53898, 56121, 57560, 71864, 74828, 82920, 86340, 89830, 93535, 107796, 112242, 116779, 134745, 149656, 172680, 179660, 187070, 215592, 224484, 233558, 243191, 269490, 280605, 350337, 359320, 374140, 448968, 467116, 486382, 538980, 561210, 583895, 700674, 729573, 748280, 934232, 972764, 994349, 1077960, 1122420, 1167790, 1215955, 1401348, 1459146, 1751685, 1945528, 1988698, 2244840, 2335580, 2431910, 2802696, 2918292, 2983047, 3503370, 3647865, 3977396, 4671160, 4863820, 4971745, 5836584, 5966094, 7006740, 7295730, 7954792, 9727640, 9943490, 11932188, 12926537, 14013480, 14591460, 14915235, 19886980, 23864376, 25853074, 29182920, 29830470, 38779611, 39773960, 51706148, 59660940, 64632685, 77559222, 103412296, 119321880, 129265370, 155118444, 168044981, 193898055, 258530740, 310236888, 336089962, 387796110, 504134943, 517061480, 672179924, 775592220, 840224905, 1008269886, 1344359848, 1551184440, 1680449810, 2016539772, 2520674715, 3360899620, 4033079544, 5041349430, 6721799240, 10082698860, 20165397720]

約数ペア:

[(1, 20165397720), (2, 10082698860), (3, 6721799240), (4, 5041349430), (5, 4033079544), (6, 3360899620), (8, 2520674715), (10, 2016539772), (12, 1680449810), (13, 1551184440), (15, 1344359848), (20, 1008269886), (24, 840224905), (26, 775592220), (30, 672179924), (39, 517061480), (40, 504134943), (52, 387796110), (60, 336089962), (65, 310236888), (78, 258530740), (104, 193898055), (120, 168044981), (130, 155118444), (156, 129265370), (169, 119321880), (195, 103412296), (260, 77559222), (312, 64632685), (338, 59660940), (390, 51706148), (507, 39773960), (520, 38779611), (676, 29830470), (691, 29182920), (780, 25853074), (845, 23864376), (1014, 19886980), (1352, 14915235), (1382, 14591460), (1439, 14013480), (1560, 12926537), (1690, 11932188), (2028, 9943490), (2073, 9727640), (2535, 7954792), (2764, 7295730), (2878, 7006740), (3380, 5966094), (3455, 5836584), (4056, 4971745), (4146, 4863820), (4317, 4671160), (5070, 3977396), (5528, 3647865), (5756, 3503370), (6760, 2983047), (6910, 2918292), (7195, 2802696), (8292, 2431910), (8634, 2335580), (8983, 2244840), (10140, 1988698), (10365, 1945528), (11512, 1751685), (13820, 1459146), (14390, 1401348), (16584, 1215955), (17268, 1167790), (17966, 1122420), (18707, 1077960), (20280, 994349), (20730, 972764), (21585, 934232), (26949, 748280), (27640, 729573), (28780, 700674), (34536, 583895), (35932, 561210), (37414, 538980), (41460, 486382), (43170, 467116), (44915, 448968), (53898, 374140), (56121, 359320), (57560, 350337), (71864, 280605), (74828, 269490), (82920, 243191), (86340, 233558), (89830, 224484), (93535, 215592), (107796, 187070), (112242, 179660), (116779, 172680), (134745, 149656)]