20851424

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1601}}^1$

素因数の和:1659

約数の個数: 48

約数和(自身を含む): 46022256

約数和(自身を除く): 25170832

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 74, 88, 148, 176, 296, 352, 407, 592, 814, 1184, 1601, 1628, 3202, 3256, 6404, 6512, 12808, 13024, 17611, 25616, 35222, 51232, 59237, 70444, 118474, 140888, 236948, 281776, 473896, 563552, 651607, 947792, 1303214, 1895584, 2606428, 5212856, 10425712, 20851424]

約数ペア:

[(1, 20851424), (2, 10425712), (4, 5212856), (8, 2606428), (11, 1895584), (16, 1303214), (22, 947792), (32, 651607), (37, 563552), (44, 473896), (74, 281776), (88, 236948), (148, 140888), (176, 118474), (296, 70444), (352, 59237), (407, 51232), (592, 35222), (814, 25616), (1184, 17611), (1601, 13024), (1628, 12808), (3202, 6512), (3256, 6404)]