20067292

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 42219520

約数和(自身を除く): 22152228

約数列:

[1, 2, 4, 7, 14, 28, 31, 61, 62, 122, 124, 217, 244, 379, 427, 434, 758, 854, 868, 1516, 1708, 1891, 2653, 3782, 5306, 7564, 10612, 11749, 13237, 23119, 23498, 26474, 46238, 46996, 52948, 82243, 92476, 161833, 164486, 323666, 328972, 647332, 716689, 1433378, 2866756, 5016823, 10033646, 20067292]

約数ペア:

[(1, 20067292), (2, 10033646), (4, 5016823), (7, 2866756), (14, 1433378), (28, 716689), (31, 647332), (61, 328972), (62, 323666), (122, 164486), (124, 161833), (217, 92476), (244, 82243), (379, 52948), (427, 46996), (434, 46238), (758, 26474), (854, 23498), (868, 23119), (1516, 13237), (1708, 11749), (1891, 10612), (2653, 7564), (3782, 5306)]