20948040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{58189}}^1$

素因数の和:58206

約数の個数: 48

約数和(自身を含む): 68082300

約数和(自身を除く): 47134260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 58189, 116378, 174567, 232756, 290945, 349134, 465512, 523701, 581890, 698268, 872835, 1047402, 1163780, 1396536, 1745670, 2094804, 2327560, 2618505, 3491340, 4189608, 5237010, 6982680, 10474020, 20948040]

約数ペア:

[(1, 20948040), (2, 10474020), (3, 6982680), (4, 5237010), (5, 4189608), (6, 3491340), (8, 2618505), (9, 2327560), (10, 2094804), (12, 1745670), (15, 1396536), (18, 1163780), (20, 1047402), (24, 872835), (30, 698268), (36, 581890), (40, 523701), (45, 465512), (60, 349134), (72, 290945), (90, 232756), (120, 174567), (180, 116378), (360, 58189)]