20730842015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{9283}}^1$

素因数の和:9408

約数の個数: 64

約数和(自身を含む): 29647005696

約数和(自身を除く): 8916163681

約数列:

[1, 5, 13, 17, 43, 47, 65, 85, 215, 221, 235, 559, 611, 731, 799, 1105, 2021, 2795, 3055, 3655, 3995, 9283, 9503, 10105, 10387, 26273, 34357, 46415, 47515, 51935, 120679, 131365, 157811, 171785, 399169, 436301, 446641, 603395, 789055, 1995845, 2051543, 2181505, 2233205, 5189197, 5671913, 6785873, 7417117, 10257715, 18760943, 25945985, 28359565, 33929365, 37085585, 88216349, 93804715, 96422521, 243892259, 318936031, 441081745, 482112605, 1219461295, 1594680155, 4146168403, 20730842015]

約数ペア:

[(1, 20730842015), (5, 4146168403), (13, 1594680155), (17, 1219461295), (43, 482112605), (47, 441081745), (65, 318936031), (85, 243892259), (215, 96422521), (221, 93804715), (235, 88216349), (559, 37085585), (611, 33929365), (731, 28359565), (799, 25945985), (1105, 18760943), (2021, 10257715), (2795, 7417117), (3055, 6785873), (3655, 5671913), (3995, 5189197), (9283, 2233205), (9503, 2181505), (10105, 2051543), (10387, 1995845), (26273, 789055), (34357, 603395), (46415, 446641), (47515, 436301), (51935, 399169), (120679, 171785), (131365, 157811)]