20347788420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{829}}^1\times {\mathrm{136361}}^1$

素因数の和:137205

約数の個数: 72

約数和(自身を含む): 61796531160

約数和(自身を除く): 41448742740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 829, 1658, 2487, 3316, 4145, 4974, 7461, 8290, 9948, 12435, 14922, 16580, 24870, 29844, 37305, 49740, 74610, 136361, 149220, 272722, 409083, 545444, 681805, 818166, 1227249, 1363610, 1636332, 2045415, 2454498, 2727220, 4090830, 4908996, 6136245, 8181660, 12272490, 24544980, 113043269, 226086538, 339129807, 452173076, 565216345, 678259614, 1017389421, 1130432690, 1356519228, 1695649035, 2034778842, 2260865380, 3391298070, 4069557684, 5086947105, 6782596140, 10173894210, 20347788420]

約数ペア:

[(1, 20347788420), (2, 10173894210), (3, 6782596140), (4, 5086947105), (5, 4069557684), (6, 3391298070), (9, 2260865380), (10, 2034778842), (12, 1695649035), (15, 1356519228), (18, 1130432690), (20, 1017389421), (30, 678259614), (36, 565216345), (45, 452173076), (60, 339129807), (90, 226086538), (180, 113043269), (829, 24544980), (1658, 12272490), (2487, 8181660), (3316, 6136245), (4145, 4908996), (4974, 4090830), (7461, 2727220), (8290, 2454498), (9948, 2045415), (12435, 1636332), (14922, 1363610), (16580, 1227249), (24870, 818166), (29844, 681805), (37305, 545444), (49740, 409083), (74610, 272722), (136361, 149220)]