20147661664

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{369709}}^1$

素因数の和:369863

約数の個数: 48

約数和(自身を含む): 43043117040

約数和(自身を除く): 22895455376

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 131, 208, 262, 416, 524, 1048, 1703, 2096, 3406, 4192, 6812, 13624, 27248, 54496, 369709, 739418, 1478836, 2957672, 4806217, 5915344, 9612434, 11830688, 19224868, 38449736, 48431879, 76899472, 96863758, 153798944, 193727516, 387455032, 629614427, 774910064, 1259228854, 1549820128, 2518457708, 5036915416, 10073830832, 20147661664]

約数ペア:

[(1, 20147661664), (2, 10073830832), (4, 5036915416), (8, 2518457708), (13, 1549820128), (16, 1259228854), (26, 774910064), (32, 629614427), (52, 387455032), (104, 193727516), (131, 153798944), (208, 96863758), (262, 76899472), (416, 48431879), (524, 38449736), (1048, 19224868), (1703, 11830688), (2096, 9612434), (3406, 5915344), (4192, 4806217), (6812, 2957672), (13624, 1478836), (27248, 739418), (54496, 369709)]