20805792

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{4423}}^1$

素因数の和:4450

約数の個数: 72

約数和(自身を含む): 63546336

約数和(自身を除く): 42740544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 392, 588, 672, 784, 1176, 1568, 2352, 4423, 4704, 8846, 13269, 17692, 26538, 30961, 35384, 53076, 61922, 70768, 92883, 106152, 123844, 141536, 185766, 212304, 216727, 247688, 371532, 424608, 433454, 495376, 650181, 743064, 866908, 990752, 1300362, 1486128, 1733816, 2600724, 2972256, 3467632, 5201448, 6935264, 10402896, 20805792]

約数ペア:

[(1, 20805792), (2, 10402896), (3, 6935264), (4, 5201448), (6, 3467632), (7, 2972256), (8, 2600724), (12, 1733816), (14, 1486128), (16, 1300362), (21, 990752), (24, 866908), (28, 743064), (32, 650181), (42, 495376), (48, 433454), (49, 424608), (56, 371532), (84, 247688), (96, 216727), (98, 212304), (112, 185766), (147, 141536), (168, 123844), (196, 106152), (224, 92883), (294, 70768), (336, 61922), (392, 53076), (588, 35384), (672, 30961), (784, 26538), (1176, 17692), (1568, 13269), (2352, 8846), (4423, 4704)]