20612670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3109}}^1$

素因数の和:3149

約数の個数: 64

約数和(自身を含む): 56427840

約数和(自身を除く): 35815170

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3109, 3315, 6218, 6630, 9327, 15545, 18654, 31090, 40417, 46635, 52853, 80834, 93270, 105706, 121251, 158559, 202085, 242502, 264265, 317118, 404170, 528530, 606255, 687089, 792795, 1212510, 1374178, 1585590, 2061267, 3435445, 4122534, 6870890, 10306335, 20612670]

約数ペア:

[(1, 20612670), (2, 10306335), (3, 6870890), (5, 4122534), (6, 3435445), (10, 2061267), (13, 1585590), (15, 1374178), (17, 1212510), (26, 792795), (30, 687089), (34, 606255), (39, 528530), (51, 404170), (65, 317118), (78, 264265), (85, 242502), (102, 202085), (130, 158559), (170, 121251), (195, 105706), (221, 93270), (255, 80834), (390, 52853), (442, 46635), (510, 40417), (663, 31090), (1105, 18654), (1326, 15545), (2210, 9327), (3109, 6630), (3315, 6218)]