20578410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{613}}^1$

素因数の和:999

約数の個数: 48

約数和(自身を含む): 53734824

約数和(自身を除く): 33156414

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 373, 613, 746, 1119, 1226, 1839, 1865, 2238, 3065, 3357, 3678, 3730, 5517, 5595, 6130, 6714, 9195, 11034, 11190, 16785, 18390, 27585, 33570, 55170, 228649, 457298, 685947, 1143245, 1371894, 2057841, 2286490, 3429735, 4115682, 6859470, 10289205, 20578410]

約数ペア:

[(1, 20578410), (2, 10289205), (3, 6859470), (5, 4115682), (6, 3429735), (9, 2286490), (10, 2057841), (15, 1371894), (18, 1143245), (30, 685947), (45, 457298), (90, 228649), (373, 55170), (613, 33570), (746, 27585), (1119, 18390), (1226, 16785), (1839, 11190), (1865, 11034), (2238, 9195), (3065, 6714), (3357, 6130), (3678, 5595), (3730, 5517)]