20604420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1013}}^1$

素因数の和:1141

約数の個数: 72

約数和(自身を含む): 63115416

約数和(自身を除く): 42510996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 113, 180, 226, 339, 452, 565, 678, 1013, 1017, 1130, 1356, 1695, 2026, 2034, 2260, 3039, 3390, 4052, 4068, 5065, 5085, 6078, 6780, 9117, 10130, 10170, 12156, 15195, 18234, 20260, 20340, 30390, 36468, 45585, 60780, 91170, 114469, 182340, 228938, 343407, 457876, 572345, 686814, 1030221, 1144690, 1373628, 1717035, 2060442, 2289380, 3434070, 4120884, 5151105, 6868140, 10302210, 20604420]

約数ペア:

[(1, 20604420), (2, 10302210), (3, 6868140), (4, 5151105), (5, 4120884), (6, 3434070), (9, 2289380), (10, 2060442), (12, 1717035), (15, 1373628), (18, 1144690), (20, 1030221), (30, 686814), (36, 572345), (45, 457876), (60, 343407), (90, 228938), (113, 182340), (180, 114469), (226, 91170), (339, 60780), (452, 45585), (565, 36468), (678, 30390), (1013, 20340), (1017, 20260), (1130, 18234), (1356, 15195), (1695, 12156), (2026, 10170), (2034, 10130), (2260, 9117), (3039, 6780), (3390, 6078), (4052, 5085), (4068, 5065)]