20389968

素因数分解:

$2^4\times 3^4\times {\mathrm{15733}}^1$

素因数の和:15753

約数の個数: 50

約数和(自身を含む): 59018234

約数和(自身を除く): 38628266

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 432, 648, 1296, 15733, 31466, 47199, 62932, 94398, 125864, 141597, 188796, 251728, 283194, 377592, 424791, 566388, 755184, 849582, 1132776, 1274373, 1699164, 2265552, 2548746, 3398328, 5097492, 6796656, 10194984, 20389968]

約数ペア:

[(1, 20389968), (2, 10194984), (3, 6796656), (4, 5097492), (6, 3398328), (8, 2548746), (9, 2265552), (12, 1699164), (16, 1274373), (18, 1132776), (24, 849582), (27, 755184), (36, 566388), (48, 424791), (54, 377592), (72, 283194), (81, 251728), (108, 188796), (144, 141597), (162, 125864), (216, 94398), (324, 62932), (432, 47199), (648, 31466), (1296, 15733)]