20064915

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:170

約数の個数: 80

約数和(自身を含む): 40168128

約数和(自身を除く): 20103213

約数列:

[1, 3, 5, 9, 13, 15, 27, 37, 39, 45, 65, 81, 103, 111, 117, 135, 185, 195, 309, 333, 351, 405, 481, 515, 555, 585, 927, 999, 1053, 1339, 1443, 1545, 1665, 1755, 2405, 2781, 2997, 3811, 4017, 4329, 4635, 4995, 5265, 6695, 7215, 8343, 11433, 12051, 12987, 13905, 14985, 19055, 20085, 21645, 34299, 36153, 38961, 41715, 49543, 57165, 60255, 64935, 102897, 108459, 148629, 171495, 180765, 194805, 247715, 308691, 445887, 514485, 542295, 743145, 1337661, 1543455, 2229435, 4012983, 6688305, 20064915]

約数ペア:

[(1, 20064915), (3, 6688305), (5, 4012983), (9, 2229435), (13, 1543455), (15, 1337661), (27, 743145), (37, 542295), (39, 514485), (45, 445887), (65, 308691), (81, 247715), (103, 194805), (111, 180765), (117, 171495), (135, 148629), (185, 108459), (195, 102897), (309, 64935), (333, 60255), (351, 57165), (405, 49543), (481, 41715), (515, 38961), (555, 36153), (585, 34299), (927, 21645), (999, 20085), (1053, 19055), (1339, 14985), (1443, 13905), (1545, 12987), (1665, 12051), (1755, 11433), (2405, 8343), (2781, 7215), (2997, 6695), (3811, 5265), (4017, 4995), (4329, 4635)]