20151392

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{2179}}^1$

素因数の和:2223

約数の個数: 36

約数和(自身を含む): 42163380

約数和(自身を除く): 22011988

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 289, 544, 578, 1156, 2179, 2312, 4358, 4624, 8716, 9248, 17432, 34864, 37043, 69728, 74086, 148172, 296344, 592688, 629731, 1185376, 1259462, 2518924, 5037848, 10075696, 20151392]

約数ペア:

[(1, 20151392), (2, 10075696), (4, 5037848), (8, 2518924), (16, 1259462), (17, 1185376), (32, 629731), (34, 592688), (68, 296344), (136, 148172), (272, 74086), (289, 69728), (544, 37043), (578, 34864), (1156, 17432), (2179, 9248), (2312, 8716), (4358, 4624)]