20023718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1321}}^1$

素因数の和:1400

約数の個数: 32

約数和(自身を含む): 35979552

約数和(自身を除く): 15955834

約数列:

[1, 2, 11, 13, 22, 26, 53, 106, 143, 286, 583, 689, 1166, 1321, 1378, 2642, 7579, 14531, 15158, 17173, 29062, 34346, 70013, 140026, 188903, 377806, 770143, 910169, 1540286, 1820338, 10011859, 20023718]

約数ペア:

[(1, 20023718), (2, 10011859), (11, 1820338), (13, 1540286), (22, 910169), (26, 770143), (53, 377806), (106, 188903), (143, 140026), (286, 70013), (583, 34346), (689, 29062), (1166, 17173), (1321, 15158), (1378, 14531), (2642, 7579)]