20914912

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:371

約数の個数: 48

約数和(自身を含む): 43479072

約数和(自身を除く): 22564160

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 157, 181, 184, 314, 362, 368, 628, 724, 736, 1256, 1448, 2512, 2896, 3611, 4163, 5024, 5792, 7222, 8326, 14444, 16652, 28417, 28888, 33304, 56834, 57776, 66608, 113668, 115552, 133216, 227336, 454672, 653591, 909344, 1307182, 2614364, 5228728, 10457456, 20914912]

約数ペア:

[(1, 20914912), (2, 10457456), (4, 5228728), (8, 2614364), (16, 1307182), (23, 909344), (32, 653591), (46, 454672), (92, 227336), (157, 133216), (181, 115552), (184, 113668), (314, 66608), (362, 57776), (368, 56834), (628, 33304), (724, 28888), (736, 28417), (1256, 16652), (1448, 14444), (2512, 8326), (2896, 7222), (3611, 5792), (4163, 5024)]