20036522020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1\times {\mathrm{1487}}^1$

素因数の和:1841

約数の個数: 96

約数和(自身を含む): 44093177856

約数和(自身を除く): 24056655836

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 103, 124, 155, 206, 211, 310, 412, 422, 515, 620, 844, 1030, 1055, 1487, 2060, 2110, 2974, 3193, 4220, 5948, 6386, 6541, 7435, 12772, 13082, 14870, 15965, 21733, 26164, 29740, 31930, 32705, 43466, 46097, 63860, 65410, 86932, 92194, 108665, 130820, 153161, 184388, 217330, 230485, 306322, 313757, 434660, 460970, 612644, 627514, 673723, 765805, 921940, 1255028, 1347446, 1531610, 1568785, 2694892, 3063220, 3137570, 3368615, 4747991, 6275140, 6737230, 9495982, 9726467, 13474460, 18991964, 19452934, 23739955, 32316971, 38905868, 47479910, 48632335, 64633942, 94959820, 97264670, 129267884, 161584855, 194529340, 323169710, 646339420, 1001826101, 2003652202, 4007304404, 5009130505, 10018261010, 20036522020]

約数ペア:

[(1, 20036522020), (2, 10018261010), (4, 5009130505), (5, 4007304404), (10, 2003652202), (20, 1001826101), (31, 646339420), (62, 323169710), (103, 194529340), (124, 161584855), (155, 129267884), (206, 97264670), (211, 94959820), (310, 64633942), (412, 48632335), (422, 47479910), (515, 38905868), (620, 32316971), (844, 23739955), (1030, 19452934), (1055, 18991964), (1487, 13474460), (2060, 9726467), (2110, 9495982), (2974, 6737230), (3193, 6275140), (4220, 4747991), (5948, 3368615), (6386, 3137570), (6541, 3063220), (7435, 2694892), (12772, 1568785), (13082, 1531610), (14870, 1347446), (15965, 1255028), (21733, 921940), (26164, 765805), (29740, 673723), (31930, 627514), (32705, 612644), (43466, 460970), (46097, 434660), (63860, 313757), (65410, 306322), (86932, 230485), (92194, 217330), (108665, 184388), (130820, 153161)]