20019510

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{739}}^1$

素因数の和:802

約数の個数: 96

約数和(自身を含む): 60952320

約数和(自身を除く): 40932810

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 43, 45, 63, 70, 86, 90, 105, 126, 129, 210, 215, 258, 301, 315, 387, 430, 602, 630, 645, 739, 774, 903, 1290, 1478, 1505, 1806, 1935, 2217, 2709, 3010, 3695, 3870, 4434, 4515, 5173, 5418, 6651, 7390, 9030, 10346, 11085, 13302, 13545, 15519, 22170, 25865, 27090, 31038, 31777, 33255, 46557, 51730, 63554, 66510, 77595, 93114, 95331, 155190, 158885, 190662, 222439, 232785, 285993, 317770, 444878, 465570, 476655, 571986, 667317, 953310, 1112195, 1334634, 1429965, 2001951, 2224390, 2859930, 3336585, 4003902, 6673170, 10009755, 20019510]

約数ペア:

[(1, 20019510), (2, 10009755), (3, 6673170), (5, 4003902), (6, 3336585), (7, 2859930), (9, 2224390), (10, 2001951), (14, 1429965), (15, 1334634), (18, 1112195), (21, 953310), (30, 667317), (35, 571986), (42, 476655), (43, 465570), (45, 444878), (63, 317770), (70, 285993), (86, 232785), (90, 222439), (105, 190662), (126, 158885), (129, 155190), (210, 95331), (215, 93114), (258, 77595), (301, 66510), (315, 63554), (387, 51730), (430, 46557), (602, 33255), (630, 31777), (645, 31038), (739, 27090), (774, 25865), (903, 22170), (1290, 15519), (1478, 13545), (1505, 13302), (1806, 11085), (1935, 10346), (2217, 9030), (2709, 7390), (3010, 6651), (3695, 5418), (3870, 5173), (4434, 4515)]