20030790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51361}}^1$

素因数の和:51384

約数の個数: 32

約数和(自身を含む): 51772896

約数和(自身を除く): 31742106

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 51361, 102722, 154083, 256805, 308166, 513610, 667693, 770415, 1335386, 1540830, 2003079, 3338465, 4006158, 6676930, 10015395, 20030790]

約数ペア:

[(1, 20030790), (2, 10015395), (3, 6676930), (5, 4006158), (6, 3338465), (10, 2003079), (13, 1540830), (15, 1335386), (26, 770415), (30, 667693), (39, 513610), (65, 308166), (78, 256805), (130, 154083), (195, 102722), (390, 51361)]