20729328

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{13931}}^1$

素因数の和:13973

約数の個数: 40

約数和(自身を含む): 55282176

約数和(自身を除く): 34552848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 744, 1488, 13931, 27862, 41793, 55724, 83586, 111448, 167172, 222896, 334344, 431861, 668688, 863722, 1295583, 1727444, 2591166, 3454888, 5182332, 6909776, 10364664, 20729328]

約数ペア:

[(1, 20729328), (2, 10364664), (3, 6909776), (4, 5182332), (6, 3454888), (8, 2591166), (12, 1727444), (16, 1295583), (24, 863722), (31, 668688), (48, 431861), (62, 334344), (93, 222896), (124, 167172), (186, 111448), (248, 83586), (372, 55724), (496, 41793), (744, 27862), (1488, 13931)]