20018790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:374

約数の個数: 96

約数和(自身を含む): 57766176

約数和(自身を除く): 37747386

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 73, 90, 99, 110, 146, 165, 198, 219, 277, 330, 365, 438, 495, 554, 657, 730, 803, 831, 990, 1095, 1314, 1385, 1606, 1662, 2190, 2409, 2493, 2770, 3047, 3285, 4015, 4155, 4818, 4986, 6094, 6570, 7227, 8030, 8310, 9141, 12045, 12465, 14454, 15235, 18282, 20221, 24090, 24930, 27423, 30470, 36135, 40442, 45705, 54846, 60663, 72270, 91410, 101105, 121326, 137115, 181989, 202210, 222431, 274230, 303315, 363978, 444862, 606630, 667293, 909945, 1112155, 1334586, 1819890, 2001879, 2224310, 3336465, 4003758, 6672930, 10009395, 20018790]

約数ペア:

[(1, 20018790), (2, 10009395), (3, 6672930), (5, 4003758), (6, 3336465), (9, 2224310), (10, 2001879), (11, 1819890), (15, 1334586), (18, 1112155), (22, 909945), (30, 667293), (33, 606630), (45, 444862), (55, 363978), (66, 303315), (73, 274230), (90, 222431), (99, 202210), (110, 181989), (146, 137115), (165, 121326), (198, 101105), (219, 91410), (277, 72270), (330, 60663), (365, 54846), (438, 45705), (495, 40442), (554, 36135), (657, 30470), (730, 27423), (803, 24930), (831, 24090), (990, 20221), (1095, 18282), (1314, 15235), (1385, 14454), (1606, 12465), (1662, 12045), (2190, 9141), (2409, 8310), (2493, 8030), (2770, 7227), (3047, 6570), (3285, 6094), (4015, 4986), (4155, 4818)]