20454434

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{601}}^1$

素因数の和:651

約数の個数: 64

約数和(自身を含む): 43690752

約数和(自身を除く): 23236318

約数列:

[1, 2, 7, 11, 13, 14, 17, 22, 26, 34, 77, 91, 119, 143, 154, 182, 187, 221, 238, 286, 374, 442, 601, 1001, 1202, 1309, 1547, 2002, 2431, 2618, 3094, 4207, 4862, 6611, 7813, 8414, 10217, 13222, 15626, 17017, 20434, 34034, 46277, 54691, 71519, 85943, 92554, 109382, 112387, 132821, 143038, 171886, 224774, 265642, 601601, 786709, 929747, 1203202, 1461031, 1573418, 1859494, 2922062, 10227217, 20454434]

約数ペア:

[(1, 20454434), (2, 10227217), (7, 2922062), (11, 1859494), (13, 1573418), (14, 1461031), (17, 1203202), (22, 929747), (26, 786709), (34, 601601), (77, 265642), (91, 224774), (119, 171886), (143, 143038), (154, 132821), (182, 112387), (187, 109382), (221, 92554), (238, 85943), (286, 71519), (374, 54691), (442, 46277), (601, 34034), (1001, 20434), (1202, 17017), (1309, 15626), (1547, 13222), (2002, 10217), (2431, 8414), (2618, 7813), (3094, 6611), (4207, 4862)]