20682636

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{673}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 52313184

約数和(自身を除く): 31630548

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 197, 394, 591, 673, 788, 1182, 1346, 2019, 2364, 2561, 2692, 4038, 5122, 7683, 8076, 8749, 10244, 15366, 17498, 26247, 30732, 34996, 52494, 104988, 132581, 265162, 397743, 530324, 795486, 1590972, 1723553, 3447106, 5170659, 6894212, 10341318, 20682636]

約数ペア:

[(1, 20682636), (2, 10341318), (3, 6894212), (4, 5170659), (6, 3447106), (12, 1723553), (13, 1590972), (26, 795486), (39, 530324), (52, 397743), (78, 265162), (156, 132581), (197, 104988), (394, 52494), (591, 34996), (673, 30732), (788, 26247), (1182, 17498), (1346, 15366), (2019, 10244), (2364, 8749), (2561, 8076), (2692, 7683), (4038, 5122)]