20725124

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 44083200

約数和(自身を除く): 23358076

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 163, 239, 266, 326, 478, 532, 652, 956, 1141, 1673, 2282, 3097, 3346, 4541, 4564, 6194, 6692, 9082, 12388, 18164, 21679, 31787, 38957, 43358, 63574, 77914, 86716, 127148, 155828, 272699, 545398, 740183, 1090796, 1480366, 2960732, 5181281, 10362562, 20725124]

約数ペア:

[(1, 20725124), (2, 10362562), (4, 5181281), (7, 2960732), (14, 1480366), (19, 1090796), (28, 740183), (38, 545398), (76, 272699), (133, 155828), (163, 127148), (239, 86716), (266, 77914), (326, 63574), (478, 43358), (532, 38957), (652, 31787), (956, 21679), (1141, 18164), (1673, 12388), (2282, 9082), (3097, 6692), (3346, 6194), (4541, 4564)]