20275680

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{797}}^1$

素因数の和:868

約数の個数: 96

約数和(自身を含む): 65155104

約数和(自身を除く): 44879424

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 80, 96, 106, 120, 159, 160, 212, 240, 265, 318, 424, 480, 530, 636, 795, 797, 848, 1060, 1272, 1590, 1594, 1696, 2120, 2391, 2544, 3180, 3188, 3985, 4240, 4782, 5088, 6360, 6376, 7970, 8480, 9564, 11955, 12720, 12752, 15940, 19128, 23910, 25440, 25504, 31880, 38256, 42241, 47820, 63760, 76512, 84482, 95640, 126723, 127520, 168964, 191280, 211205, 253446, 337928, 382560, 422410, 506892, 633615, 675856, 844820, 1013784, 1267230, 1351712, 1689640, 2027568, 2534460, 3379280, 4055136, 5068920, 6758560, 10137840, 20275680]

約数ペア:

[(1, 20275680), (2, 10137840), (3, 6758560), (4, 5068920), (5, 4055136), (6, 3379280), (8, 2534460), (10, 2027568), (12, 1689640), (15, 1351712), (16, 1267230), (20, 1013784), (24, 844820), (30, 675856), (32, 633615), (40, 506892), (48, 422410), (53, 382560), (60, 337928), (80, 253446), (96, 211205), (106, 191280), (120, 168964), (159, 127520), (160, 126723), (212, 95640), (240, 84482), (265, 76512), (318, 63760), (424, 47820), (480, 42241), (530, 38256), (636, 31880), (795, 25504), (797, 25440), (848, 23910), (1060, 19128), (1272, 15940), (1590, 12752), (1594, 12720), (1696, 11955), (2120, 9564), (2391, 8480), (2544, 7970), (3180, 6376), (3188, 6360), (3985, 5088), (4240, 4782)]