20779780448

素因数分解:

$2^5\times 7^2\times {\mathrm{2417}}^1\times {\mathrm{5483}}^1$

素因数の和:7924

約数の個数: 72

約数和(自身を含む): 47617780392

約数和(自身を除く): 26837999944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 2417, 4834, 5483, 9668, 10966, 16919, 19336, 21932, 33838, 38381, 38672, 43864, 67676, 76762, 77344, 87728, 118433, 135352, 153524, 175456, 236866, 268667, 270704, 307048, 473732, 537334, 541408, 614096, 947464, 1074668, 1228192, 1894928, 2149336, 3789856, 4298672, 8597344, 13252411, 26504822, 53009644, 92766877, 106019288, 185533754, 212038576, 371067508, 424077152, 649368139, 742135016, 1298736278, 1484270032, 2597472556, 2968540064, 5194945112, 10389890224, 20779780448]

約数ペア:

[(1, 20779780448), (2, 10389890224), (4, 5194945112), (7, 2968540064), (8, 2597472556), (14, 1484270032), (16, 1298736278), (28, 742135016), (32, 649368139), (49, 424077152), (56, 371067508), (98, 212038576), (112, 185533754), (196, 106019288), (224, 92766877), (392, 53009644), (784, 26504822), (1568, 13252411), (2417, 8597344), (4834, 4298672), (5483, 3789856), (9668, 2149336), (10966, 1894928), (16919, 1228192), (19336, 1074668), (21932, 947464), (33838, 614096), (38381, 541408), (38672, 537334), (43864, 473732), (67676, 307048), (76762, 270704), (77344, 268667), (87728, 236866), (118433, 175456), (135352, 153524)]