20445786

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{313}}^1$

素因数の和:531

約数の個数: 48

約数和(自身を含む): 47024640

約数和(自身を除く): 26578854

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 191, 313, 342, 382, 573, 626, 939, 1146, 1719, 1878, 2817, 3438, 3629, 5634, 5947, 7258, 10887, 11894, 17841, 21774, 32661, 35682, 53523, 59783, 65322, 107046, 119566, 179349, 358698, 538047, 1076094, 1135877, 2271754, 3407631, 6815262, 10222893, 20445786]

約数ペア:

[(1, 20445786), (2, 10222893), (3, 6815262), (6, 3407631), (9, 2271754), (18, 1135877), (19, 1076094), (38, 538047), (57, 358698), (114, 179349), (171, 119566), (191, 107046), (313, 65322), (342, 59783), (382, 53523), (573, 35682), (626, 32661), (939, 21774), (1146, 17841), (1719, 11894), (1878, 10887), (2817, 7258), (3438, 5947), (3629, 5634)]