20274930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:113

約数の個数: 144

約数和(自身を含む): 60293376

約数和(自身を除く): 40018446

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 31, 39, 43, 45, 62, 65, 78, 86, 90, 93, 117, 129, 130, 155, 169, 186, 195, 215, 234, 258, 279, 310, 338, 387, 390, 403, 430, 465, 507, 558, 559, 585, 645, 774, 806, 845, 930, 1014, 1118, 1170, 1209, 1290, 1333, 1395, 1521, 1677, 1690, 1935, 2015, 2418, 2535, 2666, 2790, 2795, 3042, 3354, 3627, 3870, 3999, 4030, 5031, 5070, 5239, 5590, 6045, 6665, 7254, 7267, 7605, 7998, 8385, 10062, 10478, 11997, 12090, 13330, 14534, 15210, 15717, 16770, 17329, 18135, 19995, 21801, 23994, 25155, 26195, 31434, 34658, 36270, 36335, 39990, 43602, 47151, 50310, 51987, 52390, 59985, 65403, 72670, 78585, 86645, 94302, 103974, 109005, 119970, 130806, 155961, 157170, 173290, 218010, 225277, 235755, 259935, 311922, 327015, 450554, 471510, 519870, 654030, 675831, 779805, 1126385, 1351662, 1559610, 2027493, 2252770, 3379155, 4054986, 6758310, 10137465, 20274930]

約数ペア:

[(1, 20274930), (2, 10137465), (3, 6758310), (5, 4054986), (6, 3379155), (9, 2252770), (10, 2027493), (13, 1559610), (15, 1351662), (18, 1126385), (26, 779805), (30, 675831), (31, 654030), (39, 519870), (43, 471510), (45, 450554), (62, 327015), (65, 311922), (78, 259935), (86, 235755), (90, 225277), (93, 218010), (117, 173290), (129, 157170), (130, 155961), (155, 130806), (169, 119970), (186, 109005), (195, 103974), (215, 94302), (234, 86645), (258, 78585), (279, 72670), (310, 65403), (338, 59985), (387, 52390), (390, 51987), (403, 50310), (430, 47151), (465, 43602), (507, 39990), (558, 36335), (559, 36270), (585, 34658), (645, 31434), (774, 26195), (806, 25155), (845, 23994), (930, 21801), (1014, 19995), (1118, 18135), (1170, 17329), (1209, 16770), (1290, 15717), (1333, 15210), (1395, 14534), (1521, 13330), (1677, 12090), (1690, 11997), (1935, 10478), (2015, 10062), (2418, 8385), (2535, 7998), (2666, 7605), (2790, 7267), (2795, 7254), (3042, 6665), (3354, 6045), (3627, 5590), (3870, 5239), (3999, 5070), (4030, 5031)]