20357432

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{827}}^1$

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 40687920

約数和(自身を除く): 20330488

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 181, 362, 724, 827, 1448, 1654, 3077, 3308, 6154, 6616, 12308, 14059, 24616, 28118, 56236, 112472, 149687, 299374, 598748, 1197496, 2544679, 5089358, 10178716, 20357432]

約数ペア:

[(1, 20357432), (2, 10178716), (4, 5089358), (8, 2544679), (17, 1197496), (34, 598748), (68, 299374), (136, 149687), (181, 112472), (362, 56236), (724, 28118), (827, 24616), (1448, 14059), (1654, 12308), (3077, 6616), (3308, 6154)]