20258308

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{379}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 22642172

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 83, 92, 161, 166, 322, 332, 379, 581, 644, 758, 1162, 1516, 1909, 2324, 2653, 3818, 5306, 7636, 8717, 10612, 13363, 17434, 26726, 31457, 34868, 53452, 61019, 62914, 122038, 125828, 220199, 244076, 440398, 723511, 880796, 1447022, 2894044, 5064577, 10129154, 20258308]

約数ペア:

[(1, 20258308), (2, 10129154), (4, 5064577), (7, 2894044), (14, 1447022), (23, 880796), (28, 723511), (46, 440398), (83, 244076), (92, 220199), (161, 125828), (166, 122038), (322, 62914), (332, 61019), (379, 53452), (581, 34868), (644, 31457), (758, 26726), (1162, 17434), (1516, 13363), (1909, 10612), (2324, 8717), (2653, 7636), (3818, 5306)]