20782996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7541}}^1$

素因数の和:7611

約数の個数: 24

約数和(自身を含む): 39912264

約数和(自身を除く): 19129268

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 7541, 15082, 30164, 98033, 196066, 392132, 399673, 799346, 1598692, 5195749, 10391498, 20782996]

約数ペア:

[(1, 20782996), (2, 10391498), (4, 5195749), (13, 1598692), (26, 799346), (52, 399673), (53, 392132), (106, 196066), (212, 98033), (689, 30164), (1378, 15082), (2756, 7541)]