20485114

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 34461504

約数和(自身を除く): 13976390

約数列:

[1, 2, 13, 26, 43, 73, 86, 146, 251, 502, 559, 949, 1118, 1898, 3139, 3263, 6278, 6526, 10793, 18323, 21586, 36646, 40807, 81614, 140309, 238199, 280618, 476398, 787889, 1575778, 10242557, 20485114]

約数ペア:

[(1, 20485114), (2, 10242557), (13, 1575778), (26, 787889), (43, 476398), (73, 280618), (86, 238199), (146, 140309), (251, 81614), (502, 40807), (559, 36646), (949, 21586), (1118, 18323), (1898, 10793), (3139, 6526), (3263, 6278)]