20058885

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{827}}^1$

素因数の和:863

約数の個数: 72

約数和(自身を含む): 44175456

約数和(自身を除く): 24116571

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 49, 55, 63, 77, 99, 105, 147, 165, 231, 245, 315, 385, 441, 495, 539, 693, 735, 827, 1155, 1617, 2205, 2481, 2695, 3465, 4135, 4851, 5789, 7443, 8085, 9097, 12405, 17367, 24255, 27291, 28945, 37215, 40523, 45485, 52101, 63679, 81873, 86835, 121569, 136455, 191037, 202615, 260505, 318395, 364707, 409365, 445753, 573111, 607845, 955185, 1337259, 1823535, 2228765, 2865555, 4011777, 6686295, 20058885]

約数ペア:

[(1, 20058885), (3, 6686295), (5, 4011777), (7, 2865555), (9, 2228765), (11, 1823535), (15, 1337259), (21, 955185), (33, 607845), (35, 573111), (45, 445753), (49, 409365), (55, 364707), (63, 318395), (77, 260505), (99, 202615), (105, 191037), (147, 136455), (165, 121569), (231, 86835), (245, 81873), (315, 63679), (385, 52101), (441, 45485), (495, 40523), (539, 37215), (693, 28945), (735, 27291), (827, 24255), (1155, 17367), (1617, 12405), (2205, 9097), (2481, 8085), (2695, 7443), (3465, 5789), (4135, 4851)]