20345088

素因数分解:

$2^8\times 3^1\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:527

約数の個数: 72

約数和(自身を含む): 55188000

約数和(自身を除く): 34842912

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 59, 64, 96, 118, 128, 177, 192, 236, 256, 354, 384, 449, 472, 708, 768, 898, 944, 1347, 1416, 1796, 1888, 2694, 2832, 3592, 3776, 5388, 5664, 7184, 7552, 10776, 11328, 14368, 15104, 21552, 22656, 26491, 28736, 43104, 45312, 52982, 57472, 79473, 86208, 105964, 114944, 158946, 172416, 211928, 317892, 344832, 423856, 635784, 847712, 1271568, 1695424, 2543136, 3390848, 5086272, 6781696, 10172544, 20345088]

約数ペア:

[(1, 20345088), (2, 10172544), (3, 6781696), (4, 5086272), (6, 3390848), (8, 2543136), (12, 1695424), (16, 1271568), (24, 847712), (32, 635784), (48, 423856), (59, 344832), (64, 317892), (96, 211928), (118, 172416), (128, 158946), (177, 114944), (192, 105964), (236, 86208), (256, 79473), (354, 57472), (384, 52982), (449, 45312), (472, 43104), (708, 28736), (768, 26491), (898, 22656), (944, 21552), (1347, 15104), (1416, 14368), (1796, 11328), (1888, 10776), (2694, 7552), (2832, 7184), (3592, 5664), (3776, 5388)]