15950420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1091}}^1$

素因数の和:1160

約数の個数: 48

約数和(自身を含む): 36324288

約数和(自身を除く): 20373868

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1091, 1462, 2182, 2924, 3655, 4364, 5455, 7310, 10910, 14620, 18547, 21820, 37094, 46913, 74188, 92735, 93826, 185470, 187652, 234565, 370940, 469130, 797521, 938260, 1595042, 3190084, 3987605, 7975210, 15950420]

約数ペア:

[(1, 15950420), (2, 7975210), (4, 3987605), (5, 3190084), (10, 1595042), (17, 938260), (20, 797521), (34, 469130), (43, 370940), (68, 234565), (85, 187652), (86, 185470), (170, 93826), (172, 92735), (215, 74188), (340, 46913), (430, 37094), (731, 21820), (860, 18547), (1091, 14620), (1462, 10910), (2182, 7310), (2924, 5455), (3655, 4364)]