20205738

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{739}}^1$

素因数の和:792

約数の個数: 72

約数和(自身を含む): 52640640

約数和(自身を除く): 32434902

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 49, 62, 63, 93, 98, 126, 147, 186, 217, 279, 294, 434, 441, 558, 651, 739, 882, 1302, 1478, 1519, 1953, 2217, 3038, 3906, 4434, 4557, 5173, 6651, 9114, 10346, 13302, 13671, 15519, 22909, 27342, 31038, 36211, 45818, 46557, 68727, 72422, 93114, 108633, 137454, 160363, 206181, 217266, 320726, 325899, 412362, 481089, 651798, 962178, 1122541, 1443267, 2245082, 2886534, 3367623, 6735246, 10102869, 20205738]

約数ペア:

[(1, 20205738), (2, 10102869), (3, 6735246), (6, 3367623), (7, 2886534), (9, 2245082), (14, 1443267), (18, 1122541), (21, 962178), (31, 651798), (42, 481089), (49, 412362), (62, 325899), (63, 320726), (93, 217266), (98, 206181), (126, 160363), (147, 137454), (186, 108633), (217, 93114), (279, 72422), (294, 68727), (434, 46557), (441, 45818), (558, 36211), (651, 31038), (739, 27342), (882, 22909), (1302, 15519), (1478, 13671), (1519, 13302), (1953, 10346), (2217, 9114), (3038, 6651), (3906, 5173), (4434, 4557)]