20895952

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2423}}^1$

素因数の和:2456

約数の個数: 60

約数和(自身を含む): 51398496

約数和(自身を除く): 30502544

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 308, 392, 539, 616, 784, 1078, 1232, 2156, 2423, 4312, 4846, 8624, 9692, 16961, 19384, 26653, 33922, 38768, 53306, 67844, 106612, 118727, 135688, 186571, 213224, 237454, 271376, 373142, 426448, 474908, 746284, 949816, 1305997, 1492568, 1899632, 2611994, 2985136, 5223988, 10447976, 20895952]

約数ペア:

[(1, 20895952), (2, 10447976), (4, 5223988), (7, 2985136), (8, 2611994), (11, 1899632), (14, 1492568), (16, 1305997), (22, 949816), (28, 746284), (44, 474908), (49, 426448), (56, 373142), (77, 271376), (88, 237454), (98, 213224), (112, 186571), (154, 135688), (176, 118727), (196, 106612), (308, 67844), (392, 53306), (539, 38768), (616, 33922), (784, 26653), (1078, 19384), (1232, 16961), (2156, 9692), (2423, 8624), (4312, 4846)]