20354490

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1933}}^1$

素因数の和:1965

約数の個数: 80

約数和(自身を含む): 58971528

約数和(自身を除く): 38617038

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 81, 90, 117, 130, 135, 162, 195, 234, 270, 351, 390, 405, 585, 702, 810, 1053, 1170, 1755, 1933, 2106, 3510, 3866, 5265, 5799, 9665, 10530, 11598, 17397, 19330, 25129, 28995, 34794, 50258, 52191, 57990, 75387, 86985, 104382, 125645, 150774, 156573, 173970, 226161, 251290, 260955, 313146, 376935, 452322, 521910, 678483, 753870, 782865, 1130805, 1356966, 1565730, 2035449, 2261610, 3392415, 4070898, 6784830, 10177245, 20354490]

約数ペア:

[(1, 20354490), (2, 10177245), (3, 6784830), (5, 4070898), (6, 3392415), (9, 2261610), (10, 2035449), (13, 1565730), (15, 1356966), (18, 1130805), (26, 782865), (27, 753870), (30, 678483), (39, 521910), (45, 452322), (54, 376935), (65, 313146), (78, 260955), (81, 251290), (90, 226161), (117, 173970), (130, 156573), (135, 150774), (162, 125645), (195, 104382), (234, 86985), (270, 75387), (351, 57990), (390, 52191), (405, 50258), (585, 34794), (702, 28995), (810, 25129), (1053, 19330), (1170, 17397), (1755, 11598), (1933, 10530), (2106, 9665), (3510, 5799), (3866, 5265)]