20123004447

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2557}}^1\times {\mathrm{3203}}^1$

素因数の和:5789

約数の個数: 64

約数和(自身を含む): 36717327360

約数和(自身を除く): 16594322913

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 2557, 3203, 7671, 9609, 17899, 22421, 23013, 28827, 33241, 41639, 53697, 67263, 69039, 86481, 99723, 124917, 161091, 201789, 232687, 291473, 299169, 374751, 483273, 605367, 698061, 874419, 897507, 1124253, 2094183, 2623257, 6282549, 7869771, 8190071, 24570213, 57330497, 73710639, 106470923, 171991491, 221131917, 319412769, 515974473, 745296461, 958238307, 1547923419, 2235889383, 2874714921, 6707668149, 20123004447]

約数ペア:

[(1, 20123004447), (3, 6707668149), (7, 2874714921), (9, 2235889383), (13, 1547923419), (21, 958238307), (27, 745296461), (39, 515974473), (63, 319412769), (91, 221131917), (117, 171991491), (189, 106470923), (273, 73710639), (351, 57330497), (819, 24570213), (2457, 8190071), (2557, 7869771), (3203, 6282549), (7671, 2623257), (9609, 2094183), (17899, 1124253), (22421, 897507), (23013, 874419), (28827, 698061), (33241, 605367), (41639, 483273), (53697, 374751), (67263, 299169), (69039, 291473), (86481, 232687), (99723, 201789), (124917, 161091)]