20238270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51893}}^1$

素因数の和:51916

約数の個数: 32

約数和(自身を含む): 52309152

約数和(自身を除く): 32070882

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 51893, 103786, 155679, 259465, 311358, 518930, 674609, 778395, 1349218, 1556790, 2023827, 3373045, 4047654, 6746090, 10119135, 20238270]

約数ペア:

[(1, 20238270), (2, 10119135), (3, 6746090), (5, 4047654), (6, 3373045), (10, 2023827), (13, 1556790), (15, 1349218), (26, 778395), (30, 674609), (39, 518930), (65, 311358), (78, 259465), (130, 155679), (195, 103786), (390, 51893)]