20123202021

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{423281}}^1$

素因数の和:423373

約数の個数: 32

約数和(自身を含む): 30720114432

約数和(自身を除く): 10596912411

約数列:

[1, 3, 13, 23, 39, 53, 69, 159, 299, 689, 897, 1219, 2067, 3657, 15847, 47541, 423281, 1269843, 5502653, 9735463, 16507959, 22433893, 29206389, 67301679, 126561019, 291640609, 379683057, 515979539, 874921827, 1547938617, 6707734007, 20123202021]

約数ペア:

[(1, 20123202021), (3, 6707734007), (13, 1547938617), (23, 874921827), (39, 515979539), (53, 379683057), (69, 291640609), (159, 126561019), (299, 67301679), (689, 29206389), (897, 22433893), (1219, 16507959), (2067, 9735463), (3657, 5502653), (15847, 1269843), (47541, 423281)]