20391108

素因数分解:

$2^2\times 3^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 49109760

約数和(自身を除く): 28718652

約数列:

[1, 2, 3, 4, 6, 12, 59, 83, 118, 166, 177, 236, 249, 332, 347, 354, 498, 694, 708, 996, 1041, 1388, 2082, 4164, 4897, 9794, 14691, 19588, 20473, 28801, 29382, 40946, 57602, 58764, 61419, 81892, 86403, 115204, 122838, 172806, 245676, 345612, 1699259, 3398518, 5097777, 6797036, 10195554, 20391108]

約数ペア:

[(1, 20391108), (2, 10195554), (3, 6797036), (4, 5097777), (6, 3398518), (12, 1699259), (59, 345612), (83, 245676), (118, 172806), (166, 122838), (177, 115204), (236, 86403), (249, 81892), (332, 61419), (347, 58764), (354, 57602), (498, 40946), (694, 29382), (708, 28801), (996, 20473), (1041, 19588), (1388, 14691), (2082, 9794), (4164, 4897)]