20123231398

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{63443}}^1$

素因数の和:63972

約数の個数: 32

約数和(自身を含む): 33711603840

約数和(自身を除く): 13588372442

約数列:

[1, 2, 17, 19, 34, 38, 323, 491, 646, 982, 8347, 9329, 16694, 18658, 63443, 126886, 158593, 317186, 1078531, 1205417, 2157062, 2410834, 20492089, 31150513, 40984178, 62301026, 529558721, 591859747, 1059117442, 1183719494, 10061615699, 20123231398]

約数ペア:

[(1, 20123231398), (2, 10061615699), (17, 1183719494), (19, 1059117442), (34, 591859747), (38, 529558721), (323, 62301026), (491, 40984178), (646, 31150513), (982, 20492089), (8347, 2410834), (9329, 2157062), (16694, 1205417), (18658, 1078531), (63443, 317186), (126886, 158593)]