20155657045

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{28559}}^1$

素因数の和:28642

約数の個数: 48

約数和(自身を含む): 28204485120

約数和(自身を除く): 8048828075

約数列:

[1, 5, 17, 19, 23, 85, 95, 115, 323, 361, 391, 437, 1615, 1805, 1955, 2185, 6137, 7429, 8303, 28559, 30685, 37145, 41515, 141151, 142795, 485503, 542621, 656857, 705755, 2427515, 2713105, 3284285, 9224557, 10309799, 11166569, 12480283, 46122785, 51548995, 55832845, 62401415, 175266583, 212164811, 237125377, 876332915, 1060824055, 1185626885, 4031131409, 20155657045]

約数ペア:

[(1, 20155657045), (5, 4031131409), (17, 1185626885), (19, 1060824055), (23, 876332915), (85, 237125377), (95, 212164811), (115, 175266583), (323, 62401415), (361, 55832845), (391, 51548995), (437, 46122785), (1615, 12480283), (1805, 11166569), (1955, 10309799), (2185, 9224557), (6137, 3284285), (7429, 2713105), (8303, 2427515), (28559, 705755), (30685, 656857), (37145, 542621), (41515, 485503), (141151, 142795)]