19821760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{8849}}^1$

素因数の和:8873

約数の個数: 56

約数和(自身を含む): 53949600

約数和(自身を除く): 34127840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 8849, 17698, 35396, 44245, 61943, 70792, 88490, 123886, 141584, 176980, 247772, 283168, 309715, 353960, 495544, 566336, 619430, 707920, 991088, 1238860, 1415840, 1982176, 2477720, 2831680, 3964352, 4955440, 9910880, 19821760]

約数ペア:

[(1, 19821760), (2, 9910880), (4, 4955440), (5, 3964352), (7, 2831680), (8, 2477720), (10, 1982176), (14, 1415840), (16, 1238860), (20, 991088), (28, 707920), (32, 619430), (35, 566336), (40, 495544), (56, 353960), (64, 309715), (70, 283168), (80, 247772), (112, 176980), (140, 141584), (160, 123886), (224, 88490), (280, 70792), (320, 61943), (448, 44245), (560, 35396), (1120, 17698), (2240, 8849)]