20213447023

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{419}}^1$

素因数の和:581

約数の個数: 96

約数和(自身を含む): 27509932800

約数和(自身を除く): 7296485777

約数列:

[1, 7, 11, 37, 41, 49, 59, 77, 259, 287, 407, 413, 419, 451, 539, 649, 1517, 1813, 2009, 2183, 2419, 2849, 2891, 2933, 3157, 4543, 4609, 10619, 15281, 15503, 16687, 16933, 17179, 19943, 20531, 22099, 24013, 24721, 26609, 31801, 32263, 74333, 89503, 106967, 108521, 116809, 118531, 120253, 168091, 170533, 173047, 186263, 188969, 225841, 271931, 626521, 635623, 759647, 817663, 841771, 914677, 984533, 1013561, 1176637, 1193731, 1211329, 1303841, 1322783, 1903517, 4385647, 4449361, 6402739, 6891731, 6991853, 7094927, 8356117, 9259481, 10061447, 11149171, 13324619, 31145527, 37501757, 44819173, 48242117, 48942971, 49664489, 70430129, 78044197, 262512299, 342600797, 412519327, 493010903, 546309379, 1837586093, 2887635289, 20213447023]

約数ペア:

[(1, 20213447023), (7, 2887635289), (11, 1837586093), (37, 546309379), (41, 493010903), (49, 412519327), (59, 342600797), (77, 262512299), (259, 78044197), (287, 70430129), (407, 49664489), (413, 48942971), (419, 48242117), (451, 44819173), (539, 37501757), (649, 31145527), (1517, 13324619), (1813, 11149171), (2009, 10061447), (2183, 9259481), (2419, 8356117), (2849, 7094927), (2891, 6991853), (2933, 6891731), (3157, 6402739), (4543, 4449361), (4609, 4385647), (10619, 1903517), (15281, 1322783), (15503, 1303841), (16687, 1211329), (16933, 1193731), (17179, 1176637), (19943, 1013561), (20531, 984533), (22099, 914677), (24013, 841771), (24721, 817663), (26609, 759647), (31801, 635623), (32263, 626521), (74333, 271931), (89503, 225841), (106967, 188969), (108521, 186263), (116809, 173047), (118531, 170533), (120253, 168091)]