20639068

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{983}}^1$

素因数の和:1197

約数の個数: 24

約数和(自身を含む): 37608480

約数和(自身を除く): 16969412

約数列:

[1, 2, 4, 29, 58, 116, 181, 362, 724, 983, 1966, 3932, 5249, 10498, 20996, 28507, 57014, 114028, 177923, 355846, 711692, 5159767, 10319534, 20639068]

約数ペア:

[(1, 20639068), (2, 10319534), (4, 5159767), (29, 711692), (58, 355846), (116, 177923), (181, 114028), (362, 57014), (724, 28507), (983, 20996), (1966, 10498), (3932, 5249)]