20501472915

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{348043}}^1$

素因数の和:348089

約数の個数: 96

約数和(自身を含む): 46910762496

約数和(自身を除く): 26409289581

約数列:

[1, 3, 5, 7, 9, 11, 15, 17, 21, 33, 35, 45, 51, 55, 63, 77, 85, 99, 105, 119, 153, 165, 187, 231, 255, 315, 357, 385, 495, 561, 595, 693, 765, 935, 1071, 1155, 1309, 1683, 1785, 2805, 3465, 3927, 5355, 6545, 8415, 11781, 19635, 58905, 348043, 1044129, 1740215, 2436301, 3132387, 3828473, 5220645, 5916731, 7308903, 11485419, 12181505, 15661935, 17750193, 19142365, 21926709, 26799311, 29583655, 34456257, 36544515, 41417117, 53250579, 57427095, 65084041, 80397933, 88750965, 109633545, 124251351, 133996555, 172281285, 195252123, 207085585, 241193799, 266252895, 325420205, 372754053, 401989665, 455588287, 585756369, 621256755, 976260615, 1205968995, 1366764861, 1863770265, 2277941435, 2928781845, 4100294583, 6833824305, 20501472915]

約数ペア:

[(1, 20501472915), (3, 6833824305), (5, 4100294583), (7, 2928781845), (9, 2277941435), (11, 1863770265), (15, 1366764861), (17, 1205968995), (21, 976260615), (33, 621256755), (35, 585756369), (45, 455588287), (51, 401989665), (55, 372754053), (63, 325420205), (77, 266252895), (85, 241193799), (99, 207085585), (105, 195252123), (119, 172281285), (153, 133996555), (165, 124251351), (187, 109633545), (231, 88750965), (255, 80397933), (315, 65084041), (357, 57427095), (385, 53250579), (495, 41417117), (561, 36544515), (595, 34456257), (693, 29583655), (765, 26799311), (935, 21926709), (1071, 19142365), (1155, 17750193), (1309, 15661935), (1683, 12181505), (1785, 11485419), (2805, 7308903), (3465, 5916731), (3927, 5220645), (5355, 3828473), (6545, 3132387), (8415, 2436301), (11781, 1740215), (19635, 1044129), (58905, 348043)]