20291741372

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2309}}^1\times {\mathrm{16519}}^1$

素因数の和:18858

約数の個数: 48

約数和(自身を含む): 42740544000

約数和(自身を除く): 22448802628

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 2309, 4618, 9236, 16163, 16519, 32326, 33038, 43871, 64652, 66076, 87742, 115633, 175484, 231266, 307097, 313861, 462532, 614194, 627722, 1228388, 1255444, 2197027, 4394054, 8788108, 38142371, 76284742, 152569484, 266996597, 533993194, 724705049, 1067986388, 1449410098, 2898820196, 5072935343, 10145870686, 20291741372]

約数ペア:

[(1, 20291741372), (2, 10145870686), (4, 5072935343), (7, 2898820196), (14, 1449410098), (19, 1067986388), (28, 724705049), (38, 533993194), (76, 266996597), (133, 152569484), (266, 76284742), (532, 38142371), (2309, 8788108), (4618, 4394054), (9236, 2197027), (16163, 1255444), (16519, 1228388), (32326, 627722), (33038, 614194), (43871, 462532), (64652, 313861), (66076, 307097), (87742, 231266), (115633, 175484)]