20314627870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{305621}}^1$

素因数の和:305685

約数の個数: 48

約数和(自身を含む): 40532812128

約数和(自身を除く): 20218184258

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 289, 391, 578, 782, 1445, 1955, 2890, 3910, 6647, 13294, 33235, 66470, 305621, 611242, 1528105, 3056210, 5195557, 7029283, 10391114, 14058566, 25977785, 35146415, 51955570, 70292830, 88324469, 119497811, 176648938, 238995622, 441622345, 597489055, 883244690, 1194978110, 2031462787, 4062925574, 10157313935, 20314627870]

約数ペア:

[(1, 20314627870), (2, 10157313935), (5, 4062925574), (10, 2031462787), (17, 1194978110), (23, 883244690), (34, 597489055), (46, 441622345), (85, 238995622), (115, 176648938), (170, 119497811), (230, 88324469), (289, 70292830), (391, 51955570), (578, 35146415), (782, 25977785), (1445, 14058566), (1955, 10391114), (2890, 7029283), (3910, 5195557), (6647, 3056210), (13294, 1528105), (33235, 611242), (66470, 305621)]