20320430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2333}}^1$

素因数の和:2420

約数の個数: 32

約数和(自身を含む): 39995424

約数和(自身を除く): 19674994

約数列:

[1, 2, 5, 10, 13, 26, 65, 67, 130, 134, 335, 670, 871, 1742, 2333, 4355, 4666, 8710, 11665, 23330, 30329, 60658, 151645, 156311, 303290, 312622, 781555, 1563110, 2032043, 4064086, 10160215, 20320430]

約数ペア:

[(1, 20320430), (2, 10160215), (5, 4064086), (10, 2032043), (13, 1563110), (26, 781555), (65, 312622), (67, 303290), (130, 156311), (134, 151645), (335, 60658), (670, 30329), (871, 23330), (1742, 11665), (2333, 8710), (4355, 4666)]