20312320

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{2267}}^1$

素因数の和:2295

約数の個数: 72

約数和(自身を含む): 55629504

約数和(自身を除く): 35317184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 2267, 4480, 4534, 8960, 9068, 11335, 15869, 18136, 22670, 31738, 36272, 45340, 63476, 72544, 79345, 90680, 126952, 145088, 158690, 181360, 253904, 290176, 317380, 362720, 507808, 580352, 634760, 725440, 1015616, 1269520, 1450880, 2031232, 2539040, 2901760, 4062464, 5078080, 10156160, 20312320]

約数ペア:

[(1, 20312320), (2, 10156160), (4, 5078080), (5, 4062464), (7, 2901760), (8, 2539040), (10, 2031232), (14, 1450880), (16, 1269520), (20, 1015616), (28, 725440), (32, 634760), (35, 580352), (40, 507808), (56, 362720), (64, 317380), (70, 290176), (80, 253904), (112, 181360), (128, 158690), (140, 145088), (160, 126952), (224, 90680), (256, 79345), (280, 72544), (320, 63476), (448, 45340), (560, 36272), (640, 31738), (896, 22670), (1120, 18136), (1280, 15869), (1792, 11335), (2240, 9068), (2267, 8960), (4480, 4534)]