20453490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7331}}^1$

素因数の和:7375

約数の個数: 48

約数和(自身を含む): 54902016

約数和(自身を除く): 34448526

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 7331, 14662, 21993, 36655, 43986, 65979, 73310, 109965, 131958, 219930, 227261, 329895, 454522, 659790, 681783, 1136305, 1363566, 2045349, 2272610, 3408915, 4090698, 6817830, 10226745, 20453490]

約数ペア:

[(1, 20453490), (2, 10226745), (3, 6817830), (5, 4090698), (6, 3408915), (9, 2272610), (10, 2045349), (15, 1363566), (18, 1136305), (30, 681783), (31, 659790), (45, 454522), (62, 329895), (90, 227261), (93, 219930), (155, 131958), (186, 109965), (279, 73310), (310, 65979), (465, 43986), (558, 36655), (930, 21993), (1395, 14662), (2790, 7331)]