20606472

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 58968000

約数和(自身を除く): 38361528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 71, 72, 87, 116, 139, 142, 174, 213, 232, 261, 278, 284, 348, 417, 426, 522, 556, 568, 639, 696, 834, 852, 1044, 1112, 1251, 1278, 1668, 1704, 2059, 2088, 2502, 2556, 3336, 4031, 4118, 5004, 5112, 6177, 8062, 8236, 9869, 10008, 12093, 12354, 16124, 16472, 18531, 19738, 24186, 24708, 29607, 32248, 36279, 37062, 39476, 48372, 49416, 59214, 72558, 74124, 78952, 88821, 96744, 118428, 145116, 148248, 177642, 236856, 286201, 290232, 355284, 572402, 710568, 858603, 1144804, 1717206, 2289608, 2575809, 3434412, 5151618, 6868824, 10303236, 20606472]

約数ペア:

[(1, 20606472), (2, 10303236), (3, 6868824), (4, 5151618), (6, 3434412), (8, 2575809), (9, 2289608), (12, 1717206), (18, 1144804), (24, 858603), (29, 710568), (36, 572402), (58, 355284), (71, 290232), (72, 286201), (87, 236856), (116, 177642), (139, 148248), (142, 145116), (174, 118428), (213, 96744), (232, 88821), (261, 78952), (278, 74124), (284, 72558), (348, 59214), (417, 49416), (426, 48372), (522, 39476), (556, 37062), (568, 36279), (639, 32248), (696, 29607), (834, 24708), (852, 24186), (1044, 19738), (1112, 18531), (1251, 16472), (1278, 16124), (1668, 12354), (1704, 12093), (2059, 10008), (2088, 9869), (2502, 8236), (2556, 8062), (3336, 6177), (4031, 5112), (4118, 5004)]