20456799996

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{137}}^1\times {\mathrm{34469}}^1$

素因数の和:34651

約数の個数: 72

約数和(自身を含む): 50746182480

約数和(自身を除く): 30289382484

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 137, 228, 274, 361, 411, 548, 722, 822, 1083, 1444, 1644, 2166, 2603, 4332, 5206, 7809, 10412, 15618, 31236, 34469, 49457, 68938, 98914, 103407, 137876, 148371, 197828, 206814, 296742, 413628, 593484, 654911, 1309822, 1964733, 2619644, 3929466, 4722253, 7858932, 9444506, 12443309, 14166759, 18889012, 24886618, 28333518, 37329927, 49773236, 56667036, 74659854, 89722807, 149319708, 179445614, 269168421, 358891228, 538336842, 1076673684, 1704733333, 3409466666, 5114199999, 6818933332, 10228399998, 20456799996]

約数ペア:

[(1, 20456799996), (2, 10228399998), (3, 6818933332), (4, 5114199999), (6, 3409466666), (12, 1704733333), (19, 1076673684), (38, 538336842), (57, 358891228), (76, 269168421), (114, 179445614), (137, 149319708), (228, 89722807), (274, 74659854), (361, 56667036), (411, 49773236), (548, 37329927), (722, 28333518), (822, 24886618), (1083, 18889012), (1444, 14166759), (1644, 12443309), (2166, 9444506), (2603, 7858932), (4332, 4722253), (5206, 3929466), (7809, 2619644), (10412, 1964733), (15618, 1309822), (31236, 654911), (34469, 593484), (49457, 413628), (68938, 296742), (98914, 206814), (103407, 197828), (137876, 148371)]