20408068796

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{761}}^1\times {\mathrm{1373}}^1$

素因数の和:2414

約数の個数: 48

約数和(自身を含む): 37817206560

約数和(自身を除く): 17409137764

約数列:

[1, 2, 4, 19, 38, 76, 257, 514, 761, 1028, 1373, 1522, 2746, 3044, 4883, 5492, 9766, 14459, 19532, 26087, 28918, 52174, 57836, 104348, 195577, 352861, 391154, 705722, 782308, 1044853, 1411444, 2089706, 3715963, 4179412, 6704359, 7431926, 13408718, 14863852, 19852207, 26817436, 39704414, 79408828, 268527221, 537054442, 1074108884, 5102017199, 10204034398, 20408068796]

約数ペア:

[(1, 20408068796), (2, 10204034398), (4, 5102017199), (19, 1074108884), (38, 537054442), (76, 268527221), (257, 79408828), (514, 39704414), (761, 26817436), (1028, 19852207), (1373, 14863852), (1522, 13408718), (2746, 7431926), (3044, 6704359), (4883, 4179412), (5492, 3715963), (9766, 2089706), (14459, 1411444), (19532, 1044853), (26087, 782308), (28918, 705722), (52174, 391154), (57836, 352861), (104348, 195577)]