20538624

素因数分解:

$2^8\times 3^1\times {\mathrm{47}}^1\times {\mathrm{569}}^1$

素因数の和:635

約数の個数: 72

約数和(自身を含む): 55923840

約数和(自身を除く): 35385216

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 47, 48, 64, 94, 96, 128, 141, 188, 192, 256, 282, 376, 384, 564, 569, 752, 768, 1128, 1138, 1504, 1707, 2256, 2276, 3008, 3414, 4512, 4552, 6016, 6828, 9024, 9104, 12032, 13656, 18048, 18208, 26743, 27312, 36096, 36416, 53486, 54624, 72832, 80229, 106972, 109248, 145664, 160458, 213944, 218496, 320916, 427888, 436992, 641832, 855776, 1283664, 1711552, 2567328, 3423104, 5134656, 6846208, 10269312, 20538624]

約数ペア:

[(1, 20538624), (2, 10269312), (3, 6846208), (4, 5134656), (6, 3423104), (8, 2567328), (12, 1711552), (16, 1283664), (24, 855776), (32, 641832), (47, 436992), (48, 427888), (64, 320916), (94, 218496), (96, 213944), (128, 160458), (141, 145664), (188, 109248), (192, 106972), (256, 80229), (282, 72832), (376, 54624), (384, 53486), (564, 36416), (569, 36096), (752, 27312), (768, 26743), (1128, 18208), (1138, 18048), (1504, 13656), (1707, 12032), (2256, 9104), (2276, 9024), (3008, 6828), (3414, 6016), (4512, 4552)]