22159420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{347}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 48642048

約数和(自身を除く): 26482628

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 103, 124, 155, 206, 310, 347, 412, 515, 620, 694, 1030, 1388, 1735, 2060, 3193, 3470, 6386, 6940, 10757, 12772, 15965, 21514, 31930, 35741, 43028, 53785, 63860, 71482, 107570, 142964, 178705, 215140, 357410, 714820, 1107971, 2215942, 4431884, 5539855, 11079710, 22159420]

約数ペア:

[(1, 22159420), (2, 11079710), (4, 5539855), (5, 4431884), (10, 2215942), (20, 1107971), (31, 714820), (62, 357410), (103, 215140), (124, 178705), (155, 142964), (206, 107570), (310, 71482), (347, 63860), (412, 53785), (515, 43028), (620, 35741), (694, 31930), (1030, 21514), (1388, 15965), (1735, 12772), (2060, 10757), (3193, 6940), (3470, 6386)]