20257486578

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6990161}}^1$

素因数の和:6990199

約数の個数: 48

約数和(自身を含む): 52342333056

約数和(自身を除く): 32084846478

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 126, 138, 161, 207, 322, 414, 483, 966, 1449, 2898, 6990161, 13980322, 20970483, 41940966, 48931127, 62911449, 97862254, 125822898, 146793381, 160773703, 293586762, 321547406, 440380143, 482321109, 880760286, 964642218, 1125415921, 1446963327, 2250831842, 2893926654, 3376247763, 6752495526, 10128743289, 20257486578]

約数ペア:

[(1, 20257486578), (2, 10128743289), (3, 6752495526), (6, 3376247763), (7, 2893926654), (9, 2250831842), (14, 1446963327), (18, 1125415921), (21, 964642218), (23, 880760286), (42, 482321109), (46, 440380143), (63, 321547406), (69, 293586762), (126, 160773703), (138, 146793381), (161, 125822898), (207, 97862254), (322, 62911449), (414, 48931127), (483, 41940966), (966, 20970483), (1449, 13980322), (2898, 6990161)]