20235065740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{297487}}^1$

素因数の和:297694

約数の個数: 48

約数和(自身を含む): 44980185600

約数和(自身を除く): 24745119860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 179, 190, 358, 380, 716, 895, 1790, 3401, 3580, 6802, 13604, 17005, 34010, 68020, 297487, 594974, 1189948, 1487435, 2974870, 5652253, 5949740, 11304506, 22609012, 28261265, 53250173, 56522530, 106500346, 113045060, 213000692, 266250865, 532501730, 1011753287, 1065003460, 2023506574, 4047013148, 5058766435, 10117532870, 20235065740]

約数ペア:

[(1, 20235065740), (2, 10117532870), (4, 5058766435), (5, 4047013148), (10, 2023506574), (19, 1065003460), (20, 1011753287), (38, 532501730), (76, 266250865), (95, 213000692), (179, 113045060), (190, 106500346), (358, 56522530), (380, 53250173), (716, 28261265), (895, 22609012), (1790, 11304506), (3401, 5949740), (3580, 5652253), (6802, 2974870), (13604, 1487435), (17005, 1189948), (34010, 594974), (68020, 297487)]