20579998432

素因数分解:

$2^5\times 7^2\times {\mathrm{677}}^1\times {\mathrm{19387}}^1$

素因数の和:20088

約数の個数: 72

約数和(自身を含む): 47203924824

約数和(自身を除く): 26623926392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 677, 784, 1354, 1568, 2708, 4739, 5416, 9478, 10832, 18956, 19387, 21664, 33173, 37912, 38774, 66346, 75824, 77548, 132692, 135709, 151648, 155096, 265384, 271418, 310192, 530768, 542836, 620384, 949963, 1061536, 1085672, 1899926, 2171344, 3799852, 4342688, 7599704, 13124999, 15199408, 26249998, 30398816, 52499996, 91874993, 104999992, 183749986, 209999984, 367499972, 419999968, 643124951, 734999944, 1286249902, 1469999888, 2572499804, 2939999776, 5144999608, 10289999216, 20579998432]

約数ペア:

[(1, 20579998432), (2, 10289999216), (4, 5144999608), (7, 2939999776), (8, 2572499804), (14, 1469999888), (16, 1286249902), (28, 734999944), (32, 643124951), (49, 419999968), (56, 367499972), (98, 209999984), (112, 183749986), (196, 104999992), (224, 91874993), (392, 52499996), (677, 30398816), (784, 26249998), (1354, 15199408), (1568, 13124999), (2708, 7599704), (4739, 4342688), (5416, 3799852), (9478, 2171344), (10832, 1899926), (18956, 1085672), (19387, 1061536), (21664, 949963), (33173, 620384), (37912, 542836), (38774, 530768), (66346, 310192), (75824, 271418), (77548, 265384), (132692, 155096), (135709, 151648)]