20175571262

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{6607}}^1$

素因数の和:6957

約数の個数: 64

約数和(自身を含む): 38366576640

約数和(自身を除く): 18191005378

約数列:

[1, 2, 7, 11, 14, 22, 77, 79, 154, 158, 251, 502, 553, 869, 1106, 1738, 1757, 2761, 3514, 5522, 6083, 6607, 12166, 13214, 19327, 19829, 38654, 39658, 46249, 72677, 92498, 138803, 145354, 218119, 277606, 436238, 508739, 521953, 1017478, 1043906, 1526833, 1658357, 3053666, 3316714, 3653671, 5741483, 7307342, 11482966, 11608499, 18241927, 23216998, 36483854, 40190381, 80380762, 127693489, 131010203, 255386978, 262020406, 917071421, 1441112233, 1834142842, 2882224466, 10087785631, 20175571262]

約数ペア:

[(1, 20175571262), (2, 10087785631), (7, 2882224466), (11, 1834142842), (14, 1441112233), (22, 917071421), (77, 262020406), (79, 255386978), (154, 131010203), (158, 127693489), (251, 80380762), (502, 40190381), (553, 36483854), (869, 23216998), (1106, 18241927), (1738, 11608499), (1757, 11482966), (2761, 7307342), (3514, 5741483), (5522, 3653671), (6083, 3316714), (6607, 3053666), (12166, 1658357), (13214, 1526833), (19327, 1043906), (19829, 1017478), (38654, 521953), (39658, 508739), (46249, 436238), (72677, 277606), (92498, 218119), (138803, 145354)]