20945952

素因数分解:

$2^5\times 3^4\times {\mathrm{8081}}^1$

素因数の和:8103

約数の個数: 60

約数和(自身を含む): 61609086

約数和(自身を除く): 40663134

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 288, 324, 432, 648, 864, 1296, 2592, 8081, 16162, 24243, 32324, 48486, 64648, 72729, 96972, 129296, 145458, 193944, 218187, 258592, 290916, 387888, 436374, 581832, 654561, 775776, 872748, 1163664, 1309122, 1745496, 2327328, 2618244, 3490992, 5236488, 6981984, 10472976, 20945952]

約数ペア:

[(1, 20945952), (2, 10472976), (3, 6981984), (4, 5236488), (6, 3490992), (8, 2618244), (9, 2327328), (12, 1745496), (16, 1309122), (18, 1163664), (24, 872748), (27, 775776), (32, 654561), (36, 581832), (48, 436374), (54, 387888), (72, 290916), (81, 258592), (96, 218187), (108, 193944), (144, 145458), (162, 129296), (216, 96972), (288, 72729), (324, 64648), (432, 48486), (648, 32324), (864, 24243), (1296, 16162), (2592, 8081)]