20157246816

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{4285129}}^1$

素因数の和:4285156

約数の個数: 72

約数和(自身を含む): 61551607320

約数和(自身を除く): 41394360504

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, 4704, 4285129, 8570258, 12855387, 17140516, 25710774, 29995903, 34281032, 51421548, 59991806, 68562064, 89987709, 102843096, 119983612, 137124128, 179975418, 205686192, 209971321, 239967224, 359950836, 411372384, 419942642, 479934448, 629913963, 719901672, 839885284, 959868896, 1259827926, 1439803344, 1679770568, 2519655852, 2879606688, 3359541136, 5039311704, 6719082272, 10078623408, 20157246816]

約数ペア:

[(1, 20157246816), (2, 10078623408), (3, 6719082272), (4, 5039311704), (6, 3359541136), (7, 2879606688), (8, 2519655852), (12, 1679770568), (14, 1439803344), (16, 1259827926), (21, 959868896), (24, 839885284), (28, 719901672), (32, 629913963), (42, 479934448), (48, 419942642), (49, 411372384), (56, 359950836), (84, 239967224), (96, 209971321), (98, 205686192), (112, 179975418), (147, 137124128), (168, 119983612), (196, 102843096), (224, 89987709), (294, 68562064), (336, 59991806), (392, 51421548), (588, 34281032), (672, 29995903), (784, 25710774), (1176, 17140516), (1568, 12855387), (2352, 8570258), (4704, 4285129)]