20093580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:336

約数の個数: 144

約数和(自身を含む): 68001024

約数和(自身を除く): 47907444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 277, 279, 310, 372, 390, 403, 465, 468, 554, 558, 585, 620, 780, 806, 831, 930, 1108, 1116, 1170, 1209, 1385, 1395, 1612, 1662, 1860, 2015, 2340, 2418, 2493, 2770, 2790, 3324, 3601, 3627, 4030, 4155, 4836, 4986, 5540, 5580, 6045, 7202, 7254, 8060, 8310, 8587, 9972, 10803, 12090, 12465, 14404, 14508, 16620, 17174, 18005, 18135, 21606, 24180, 24930, 25761, 32409, 34348, 36010, 36270, 42935, 43212, 49860, 51522, 54015, 64818, 72020, 72540, 77283, 85870, 103044, 108030, 111631, 128805, 129636, 154566, 162045, 171740, 216060, 223262, 257610, 309132, 324090, 334893, 386415, 446524, 515220, 558155, 648180, 669786, 772830, 1004679, 1116310, 1339572, 1545660, 1674465, 2009358, 2232620, 3348930, 4018716, 5023395, 6697860, 10046790, 20093580]

約数ペア:

[(1, 20093580), (2, 10046790), (3, 6697860), (4, 5023395), (5, 4018716), (6, 3348930), (9, 2232620), (10, 2009358), (12, 1674465), (13, 1545660), (15, 1339572), (18, 1116310), (20, 1004679), (26, 772830), (30, 669786), (31, 648180), (36, 558155), (39, 515220), (45, 446524), (52, 386415), (60, 334893), (62, 324090), (65, 309132), (78, 257610), (90, 223262), (93, 216060), (117, 171740), (124, 162045), (130, 154566), (155, 129636), (156, 128805), (180, 111631), (186, 108030), (195, 103044), (234, 85870), (260, 77283), (277, 72540), (279, 72020), (310, 64818), (372, 54015), (390, 51522), (403, 49860), (465, 43212), (468, 42935), (554, 36270), (558, 36010), (585, 34348), (620, 32409), (780, 25761), (806, 24930), (831, 24180), (930, 21606), (1108, 18135), (1116, 18005), (1170, 17174), (1209, 16620), (1385, 14508), (1395, 14404), (1612, 12465), (1662, 12090), (1860, 10803), (2015, 9972), (2340, 8587), (2418, 8310), (2493, 8060), (2770, 7254), (2790, 7202), (3324, 6045), (3601, 5580), (3627, 5540), (4030, 4986), (4155, 4836)]