20793445600

素因数分解:

$2^5\times 5^2\times {\mathrm{2131}}^1\times {\mathrm{12197}}^1$

素因数の和:14348

約数の個数: 72

約数和(自身を含む): 50789983608

約数和(自身を除く): 29996538008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 2131, 4262, 8524, 10655, 12197, 17048, 21310, 24394, 34096, 42620, 48788, 53275, 60985, 68192, 85240, 97576, 106550, 121970, 170480, 195152, 213100, 243940, 304925, 340960, 390304, 426200, 487880, 609850, 852400, 975760, 1219700, 1704800, 1951520, 2439400, 4878800, 9757600, 25991807, 51983614, 103967228, 129959035, 207934456, 259918070, 415868912, 519836140, 649795175, 831737824, 1039672280, 1299590350, 2079344560, 2599180700, 4158689120, 5198361400, 10396722800, 20793445600]

約数ペア:

[(1, 20793445600), (2, 10396722800), (4, 5198361400), (5, 4158689120), (8, 2599180700), (10, 2079344560), (16, 1299590350), (20, 1039672280), (25, 831737824), (32, 649795175), (40, 519836140), (50, 415868912), (80, 259918070), (100, 207934456), (160, 129959035), (200, 103967228), (400, 51983614), (800, 25991807), (2131, 9757600), (4262, 4878800), (8524, 2439400), (10655, 1951520), (12197, 1704800), (17048, 1219700), (21310, 975760), (24394, 852400), (34096, 609850), (42620, 487880), (48788, 426200), (53275, 390304), (60985, 340960), (68192, 304925), (85240, 243940), (97576, 213100), (106550, 195152), (121970, 170480)]