20650630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2063}}^1$

素因数の和:2101

約数の個数: 64

約数和(自身を含む): 49932288

約数和(自身を除く): 29281658

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 2002, 2063, 4126, 5005, 10010, 10315, 14441, 20630, 22693, 26819, 28882, 45386, 53638, 72205, 113465, 134095, 144410, 158851, 187733, 226930, 268190, 295009, 317702, 375466, 590018, 794255, 938665, 1475045, 1588510, 1877330, 2065063, 2950090, 4130126, 10325315, 20650630]

約数ペア:

[(1, 20650630), (2, 10325315), (5, 4130126), (7, 2950090), (10, 2065063), (11, 1877330), (13, 1588510), (14, 1475045), (22, 938665), (26, 794255), (35, 590018), (55, 375466), (65, 317702), (70, 295009), (77, 268190), (91, 226930), (110, 187733), (130, 158851), (143, 144410), (154, 134095), (182, 113465), (286, 72205), (385, 53638), (455, 45386), (715, 28882), (770, 26819), (910, 22693), (1001, 20630), (1430, 14441), (2002, 10315), (2063, 10010), (4126, 5005)]