20893440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{5441}}^1$

素因数の和:5465

約数の個数: 72

約数和(自身を含む): 66740688

約数和(自身を除く): 45847248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 5441, 10882, 16323, 21764, 27205, 32646, 43528, 54410, 65292, 81615, 87056, 108820, 130584, 163230, 174112, 217640, 261168, 326460, 348224, 435280, 522336, 652920, 696448, 870560, 1044672, 1305840, 1392896, 1741120, 2089344, 2611680, 3482240, 4178688, 5223360, 6964480, 10446720, 20893440]

約数ペア:

[(1, 20893440), (2, 10446720), (3, 6964480), (4, 5223360), (5, 4178688), (6, 3482240), (8, 2611680), (10, 2089344), (12, 1741120), (15, 1392896), (16, 1305840), (20, 1044672), (24, 870560), (30, 696448), (32, 652920), (40, 522336), (48, 435280), (60, 348224), (64, 326460), (80, 261168), (96, 217640), (120, 174112), (128, 163230), (160, 130584), (192, 108820), (240, 87056), (256, 81615), (320, 65292), (384, 54410), (480, 43528), (640, 32646), (768, 27205), (960, 21764), (1280, 16323), (1920, 10882), (3840, 5441)]