20019120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7583}}^1$

素因数の和:7610

約数の個数: 80

約数和(自身を含む): 67709952

約数和(自身を除く): 47690832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 7583, 15166, 22749, 30332, 37915, 45498, 60664, 75830, 83413, 90996, 113745, 121328, 151660, 166826, 181992, 227490, 250239, 303320, 333652, 363984, 417065, 454980, 500478, 606640, 667304, 834130, 909960, 1000956, 1251195, 1334608, 1668260, 1819920, 2001912, 2502390, 3336520, 4003824, 5004780, 6673040, 10009560, 20019120]

約数ペア:

[(1, 20019120), (2, 10009560), (3, 6673040), (4, 5004780), (5, 4003824), (6, 3336520), (8, 2502390), (10, 2001912), (11, 1819920), (12, 1668260), (15, 1334608), (16, 1251195), (20, 1000956), (22, 909960), (24, 834130), (30, 667304), (33, 606640), (40, 500478), (44, 454980), (48, 417065), (55, 363984), (60, 333652), (66, 303320), (80, 250239), (88, 227490), (110, 181992), (120, 166826), (132, 151660), (165, 121328), (176, 113745), (220, 90996), (240, 83413), (264, 75830), (330, 60664), (440, 45498), (528, 37915), (660, 30332), (880, 22749), (1320, 15166), (2640, 7583)]