20405280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{6073}}^1$

素因数の和:6098

約数の個数: 96

約数和(自身を含む): 73471104

約数和(自身を除く): 53065824

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 6073, 12146, 18219, 24292, 30365, 36438, 42511, 48584, 60730, 72876, 85022, 91095, 97168, 121460, 127533, 145752, 170044, 182190, 194336, 212555, 242920, 255066, 291504, 340088, 364380, 425110, 485840, 510132, 583008, 637665, 680176, 728760, 850220, 971680, 1020264, 1275330, 1360352, 1457520, 1700440, 2040528, 2550660, 2915040, 3400880, 4081056, 5101320, 6801760, 10202640, 20405280]

約数ペア:

[(1, 20405280), (2, 10202640), (3, 6801760), (4, 5101320), (5, 4081056), (6, 3400880), (7, 2915040), (8, 2550660), (10, 2040528), (12, 1700440), (14, 1457520), (15, 1360352), (16, 1275330), (20, 1020264), (21, 971680), (24, 850220), (28, 728760), (30, 680176), (32, 637665), (35, 583008), (40, 510132), (42, 485840), (48, 425110), (56, 364380), (60, 340088), (70, 291504), (80, 255066), (84, 242920), (96, 212555), (105, 194336), (112, 182190), (120, 170044), (140, 145752), (160, 127533), (168, 121460), (210, 97168), (224, 91095), (240, 85022), (280, 72876), (336, 60730), (420, 48584), (480, 42511), (560, 36438), (672, 30365), (840, 24292), (1120, 18219), (1680, 12146), (3360, 6073)]