20042400

素因数分解:

$2^5\times 3^1\times 5^2\times 7^1\times {\mathrm{1193}}^1$

素因数の和:1223

約数の個数: 144

約数和(自身を含む): 74620224

約数和(自身を除く): 54577824

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 96, 100, 105, 112, 120, 140, 150, 160, 168, 175, 200, 210, 224, 240, 280, 300, 336, 350, 400, 420, 480, 525, 560, 600, 672, 700, 800, 840, 1050, 1120, 1193, 1200, 1400, 1680, 2100, 2386, 2400, 2800, 3360, 3579, 4200, 4772, 5600, 5965, 7158, 8351, 8400, 9544, 11930, 14316, 16702, 16800, 17895, 19088, 23860, 25053, 28632, 29825, 33404, 35790, 38176, 41755, 47720, 50106, 57264, 59650, 66808, 71580, 83510, 89475, 95440, 100212, 114528, 119300, 125265, 133616, 143160, 167020, 178950, 190880, 200424, 208775, 238600, 250530, 267232, 286320, 334040, 357900, 400848, 417550, 477200, 501060, 572640, 626325, 668080, 715800, 801696, 835100, 954400, 1002120, 1252650, 1336160, 1431600, 1670200, 2004240, 2505300, 2863200, 3340400, 4008480, 5010600, 6680800, 10021200, 20042400]

約数ペア:

[(1, 20042400), (2, 10021200), (3, 6680800), (4, 5010600), (5, 4008480), (6, 3340400), (7, 2863200), (8, 2505300), (10, 2004240), (12, 1670200), (14, 1431600), (15, 1336160), (16, 1252650), (20, 1002120), (21, 954400), (24, 835100), (25, 801696), (28, 715800), (30, 668080), (32, 626325), (35, 572640), (40, 501060), (42, 477200), (48, 417550), (50, 400848), (56, 357900), (60, 334040), (70, 286320), (75, 267232), (80, 250530), (84, 238600), (96, 208775), (100, 200424), (105, 190880), (112, 178950), (120, 167020), (140, 143160), (150, 133616), (160, 125265), (168, 119300), (175, 114528), (200, 100212), (210, 95440), (224, 89475), (240, 83510), (280, 71580), (300, 66808), (336, 59650), (350, 57264), (400, 50106), (420, 47720), (480, 41755), (525, 38176), (560, 35790), (600, 33404), (672, 29825), (700, 28632), (800, 25053), (840, 23860), (1050, 19088), (1120, 17895), (1193, 16800), (1200, 16702), (1400, 14316), (1680, 11930), (2100, 9544), (2386, 8400), (2400, 8351), (2800, 7158), (3360, 5965), (3579, 5600), (4200, 4772)]