20267928

素因数分解:

$2^3\times 3^3\times {\mathrm{103}}^1\times {\mathrm{911}}^1$

素因数の和:1029

約数の個数: 64

約数和(自身を含む): 56908800

約数和(自身を除く): 36640872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 103, 108, 206, 216, 309, 412, 618, 824, 911, 927, 1236, 1822, 1854, 2472, 2733, 2781, 3644, 3708, 5466, 5562, 7288, 7416, 8199, 10932, 11124, 16398, 21864, 22248, 24597, 32796, 49194, 65592, 93833, 98388, 187666, 196776, 281499, 375332, 562998, 750664, 844497, 1125996, 1688994, 2251992, 2533491, 3377988, 5066982, 6755976, 10133964, 20267928]

約数ペア:

[(1, 20267928), (2, 10133964), (3, 6755976), (4, 5066982), (6, 3377988), (8, 2533491), (9, 2251992), (12, 1688994), (18, 1125996), (24, 844497), (27, 750664), (36, 562998), (54, 375332), (72, 281499), (103, 196776), (108, 187666), (206, 98388), (216, 93833), (309, 65592), (412, 49194), (618, 32796), (824, 24597), (911, 22248), (927, 21864), (1236, 16398), (1822, 11124), (1854, 10932), (2472, 8199), (2733, 7416), (2781, 7288), (3644, 5562), (3708, 5466)]