20186486944

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{321359}}^1$

素因数の和:321533

約数の個数: 48

約数和(自身を含む): 43082807040

約数和(自身を除く): 22896320096

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 151, 208, 302, 416, 604, 1208, 1963, 2416, 3926, 4832, 7852, 15704, 31408, 62816, 321359, 642718, 1285436, 2570872, 4177667, 5141744, 8355334, 10283488, 16710668, 33421336, 48525209, 66842672, 97050418, 133685344, 194100836, 388201672, 630827717, 776403344, 1261655434, 1552806688, 2523310868, 5046621736, 10093243472, 20186486944]

約数ペア:

[(1, 20186486944), (2, 10093243472), (4, 5046621736), (8, 2523310868), (13, 1552806688), (16, 1261655434), (26, 776403344), (32, 630827717), (52, 388201672), (104, 194100836), (151, 133685344), (208, 97050418), (302, 66842672), (416, 48525209), (604, 33421336), (1208, 16710668), (1963, 10283488), (2416, 8355334), (3926, 5141744), (4832, 4177667), (7852, 2570872), (15704, 1285436), (31408, 642718), (62816, 321359)]