20164579665

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1\times {\mathrm{5347}}^1$

素因数の和:6038

約数の個数: 64

約数和(自身を含む): 35708553216

約数和(自身を除く): 15543973551

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 643, 1173, 1929, 1955, 3215, 5347, 5865, 9645, 10931, 14789, 16041, 26735, 32793, 44367, 54655, 73945, 80205, 90899, 122981, 163965, 221835, 251413, 272697, 368943, 454495, 614905, 754239, 1257065, 1363485, 1844715, 2090677, 3438121, 3771195, 6272031, 10314363, 10453385, 17190605, 31360155, 51571815, 58448057, 79076783, 175344171, 237230349, 292240285, 395383915, 876720855, 1186151745, 1344305311, 4032915933, 6721526555, 20164579665]

約数ペア:

[(1, 20164579665), (3, 6721526555), (5, 4032915933), (15, 1344305311), (17, 1186151745), (23, 876720855), (51, 395383915), (69, 292240285), (85, 237230349), (115, 175344171), (255, 79076783), (345, 58448057), (391, 51571815), (643, 31360155), (1173, 17190605), (1929, 10453385), (1955, 10314363), (3215, 6272031), (5347, 3771195), (5865, 3438121), (9645, 2090677), (10931, 1844715), (14789, 1363485), (16041, 1257065), (26735, 754239), (32793, 614905), (44367, 454495), (54655, 368943), (73945, 272697), (80205, 251413), (90899, 221835), (122981, 163965)]