20176779760

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{1408993}}^1$

素因数の和:1409185

約数の個数: 40

約数和(自身を含む): 47173119120

約数和(自身を除く): 26996339360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 716, 895, 1432, 1790, 2864, 3580, 7160, 14320, 1408993, 2817986, 5635972, 7044965, 11271944, 14089930, 22543888, 28179860, 56359720, 112719440, 252209747, 504419494, 1008838988, 1261048735, 2017677976, 2522097470, 4035355952, 5044194940, 10088389880, 20176779760]

約数ペア:

[(1, 20176779760), (2, 10088389880), (4, 5044194940), (5, 4035355952), (8, 2522097470), (10, 2017677976), (16, 1261048735), (20, 1008838988), (40, 504419494), (80, 252209747), (179, 112719440), (358, 56359720), (716, 28179860), (895, 22543888), (1432, 14089930), (1790, 11271944), (2864, 7044965), (3580, 5635972), (7160, 2817986), (14320, 1408993)]