19966920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{733}}^1$

素因数の和:974

約数の個数: 64

約数和(自身を含む): 60246720

約数和(自身を除く): 40279800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 227, 454, 681, 733, 908, 1135, 1362, 1466, 1816, 2199, 2270, 2724, 2932, 3405, 3665, 4398, 4540, 5448, 5864, 6810, 7330, 8796, 9080, 10995, 13620, 14660, 17592, 21990, 27240, 29320, 43980, 87960, 166391, 332782, 499173, 665564, 831955, 998346, 1331128, 1663910, 1996692, 2495865, 3327820, 3993384, 4991730, 6655640, 9983460, 19966920]

約数ペア:

[(1, 19966920), (2, 9983460), (3, 6655640), (4, 4991730), (5, 3993384), (6, 3327820), (8, 2495865), (10, 1996692), (12, 1663910), (15, 1331128), (20, 998346), (24, 831955), (30, 665564), (40, 499173), (60, 332782), (120, 166391), (227, 87960), (454, 43980), (681, 29320), (733, 27240), (908, 21990), (1135, 17592), (1362, 14660), (1466, 13620), (1816, 10995), (2199, 9080), (2270, 8796), (2724, 7330), (2932, 6810), (3405, 5864), (3665, 5448), (4398, 4540)]