20559120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5039}}^1$

素因数の和:5072

約数の個数: 80

約数和(自身を含む): 67495680

約数和(自身を除く): 46936560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 5039, 10078, 15117, 20156, 25195, 30234, 40312, 50390, 60468, 75585, 80624, 85663, 100780, 120936, 151170, 171326, 201560, 241872, 256989, 302340, 342652, 403120, 428315, 513978, 604680, 685304, 856630, 1027956, 1209360, 1284945, 1370608, 1713260, 2055912, 2569890, 3426520, 4111824, 5139780, 6853040, 10279560, 20559120]

約数ペア:

[(1, 20559120), (2, 10279560), (3, 6853040), (4, 5139780), (5, 4111824), (6, 3426520), (8, 2569890), (10, 2055912), (12, 1713260), (15, 1370608), (16, 1284945), (17, 1209360), (20, 1027956), (24, 856630), (30, 685304), (34, 604680), (40, 513978), (48, 428315), (51, 403120), (60, 342652), (68, 302340), (80, 256989), (85, 241872), (102, 201560), (120, 171326), (136, 151170), (170, 120936), (204, 100780), (240, 85663), (255, 80624), (272, 75585), (340, 60468), (408, 50390), (510, 40312), (680, 30234), (816, 25195), (1020, 20156), (1360, 15117), (2040, 10078), (4080, 5039)]