20939976

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{15307}}^1$

素因数の和:15338

約数の個数: 48

約数和(自身を含む): 59701200

約数和(自身を除く): 38761224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 15307, 30614, 45921, 61228, 91842, 122456, 137763, 183684, 275526, 290833, 367368, 551052, 581666, 872499, 1102104, 1163332, 1744998, 2326664, 2617497, 3489996, 5234994, 6979992, 10469988, 20939976]

約数ペア:

[(1, 20939976), (2, 10469988), (3, 6979992), (4, 5234994), (6, 3489996), (8, 2617497), (9, 2326664), (12, 1744998), (18, 1163332), (19, 1102104), (24, 872499), (36, 581666), (38, 551052), (57, 367368), (72, 290833), (76, 275526), (114, 183684), (152, 137763), (171, 122456), (228, 91842), (342, 61228), (456, 45921), (684, 30614), (1368, 15307)]