20180224

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{4637}}^1$

素因数の和:4670

約数の個数: 36

約数和(自身を含む): 42660324

約数和(自身を除く): 22480100

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 544, 1088, 2176, 4352, 4637, 9274, 18548, 37096, 74192, 78829, 148384, 157658, 296768, 315316, 593536, 630632, 1187072, 1261264, 2522528, 5045056, 10090112, 20180224]

約数ペア:

[(1, 20180224), (2, 10090112), (4, 5045056), (8, 2522528), (16, 1261264), (17, 1187072), (32, 630632), (34, 593536), (64, 315316), (68, 296768), (128, 157658), (136, 148384), (256, 78829), (272, 74192), (544, 37096), (1088, 18548), (2176, 9274), (4352, 4637)]