20295246

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 46158336

約数和(自身を除く): 25863090

約数列:

[1, 2, 3, 6, 17, 23, 34, 41, 46, 51, 69, 82, 102, 123, 138, 211, 246, 391, 422, 633, 697, 782, 943, 1173, 1266, 1394, 1886, 2091, 2346, 2829, 3587, 4182, 4853, 5658, 7174, 8651, 9706, 10761, 14559, 16031, 17302, 21522, 25953, 29118, 32062, 48093, 51906, 82501, 96186, 147067, 165002, 198973, 247503, 294134, 397946, 441201, 495006, 596919, 882402, 1193838, 3382541, 6765082, 10147623, 20295246]

約数ペア:

[(1, 20295246), (2, 10147623), (3, 6765082), (6, 3382541), (17, 1193838), (23, 882402), (34, 596919), (41, 495006), (46, 441201), (51, 397946), (69, 294134), (82, 247503), (102, 198973), (123, 165002), (138, 147067), (211, 96186), (246, 82501), (391, 51906), (422, 48093), (633, 32062), (697, 29118), (782, 25953), (943, 21522), (1173, 17302), (1266, 16031), (1394, 14559), (1886, 10761), (2091, 9706), (2346, 8651), (2829, 7174), (3587, 5658), (4182, 4853)]