20163762580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{347771}}^1$

素因数の和:348016

約数の個数: 48

約数和(自身を含む): 45805745664

約数和(自身を除く): 25641983084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 223, 260, 446, 892, 1115, 2230, 2899, 4460, 5798, 11596, 14495, 28990, 57980, 347771, 695542, 1391084, 1738855, 3477710, 4521023, 6955420, 9042046, 18084092, 22605115, 45210230, 77552933, 90420460, 155105866, 310211732, 387764665, 775529330, 1008188129, 1551058660, 2016376258, 4032752516, 5040940645, 10081881290, 20163762580]

約数ペア:

[(1, 20163762580), (2, 10081881290), (4, 5040940645), (5, 4032752516), (10, 2016376258), (13, 1551058660), (20, 1008188129), (26, 775529330), (52, 387764665), (65, 310211732), (130, 155105866), (223, 90420460), (260, 77552933), (446, 45210230), (892, 22605115), (1115, 18084092), (2230, 9042046), (2899, 6955420), (4460, 4521023), (5798, 3477710), (11596, 1738855), (14495, 1391084), (28990, 695542), (57980, 347771)]