20790403934

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{367}}^1\times {\mathrm{24439}}^1$

素因数の和:24888

約数の個数: 32

約数和(自身を含む): 33457382400

約数和(自身を除く): 12666978466

約数列:

[1, 2, 19, 38, 61, 122, 367, 734, 1159, 2318, 6973, 13946, 22387, 24439, 44774, 48878, 425353, 464341, 850706, 928682, 1490779, 2981558, 8969113, 17938226, 28324801, 56649602, 170413147, 340826294, 547115893, 1094231786, 10395201967, 20790403934]

約数ペア:

[(1, 20790403934), (2, 10395201967), (19, 1094231786), (38, 547115893), (61, 340826294), (122, 170413147), (367, 56649602), (734, 28324801), (1159, 17938226), (2318, 8969113), (6973, 2981558), (13946, 1490779), (22387, 928682), (24439, 850706), (44774, 464341), (48878, 425353)]