20187206572

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{305441}}^1$

素因数の和:305530

約数の個数: 48

約数和(自身を含む): 40230376704

約数和(自身を除く): 20043170132

約数列:

[1, 2, 4, 13, 26, 31, 41, 52, 62, 82, 124, 164, 403, 533, 806, 1066, 1271, 1612, 2132, 2542, 5084, 16523, 33046, 66092, 305441, 610882, 1221764, 3970733, 7941466, 9468671, 12523081, 15882932, 18937342, 25046162, 37874684, 50092324, 123092723, 162800053, 246185446, 325600106, 388215511, 492370892, 651200212, 776431022, 1552862044, 5046801643, 10093603286, 20187206572]

約数ペア:

[(1, 20187206572), (2, 10093603286), (4, 5046801643), (13, 1552862044), (26, 776431022), (31, 651200212), (41, 492370892), (52, 388215511), (62, 325600106), (82, 246185446), (124, 162800053), (164, 123092723), (403, 50092324), (533, 37874684), (806, 25046162), (1066, 18937342), (1271, 15882932), (1612, 12523081), (2132, 9468671), (2542, 7941466), (5084, 3970733), (16523, 1221764), (33046, 610882), (66092, 305441)]