20123132368

素因数分解:

$2^4\times {\mathrm{5659}}^1\times {\mathrm{222247}}^1$

素因数の和:227914

約数の個数: 20

約数和(自身を含む): 38995634080

約数和(自身を除く): 18872501712

約数列:

[1, 2, 4, 8, 16, 5659, 11318, 22636, 45272, 90544, 222247, 444494, 888988, 1777976, 3555952, 1257695773, 2515391546, 5030783092, 10061566184, 20123132368]

約数ペア:

[(1, 20123132368), (2, 10061566184), (4, 5030783092), (8, 2515391546), (16, 1257695773), (5659, 3555952), (11318, 1777976), (22636, 888988), (45272, 444494), (90544, 222247)]