20801982544

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{463}}^1\times {\mathrm{3371}}^1$

素因数の和:3873

約数の個数: 120

約数和(自身を含む): 49763922048

約数和(自身を除く): 28961939504

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 49, 56, 68, 98, 112, 119, 136, 196, 238, 272, 392, 463, 476, 784, 833, 926, 952, 1666, 1852, 1904, 3241, 3332, 3371, 3704, 6482, 6664, 6742, 7408, 7871, 12964, 13328, 13484, 15742, 22687, 23597, 25928, 26968, 31484, 45374, 47194, 51856, 53936, 55097, 57307, 62968, 90748, 94388, 110194, 114614, 125936, 165179, 181496, 188776, 220388, 229228, 330358, 362992, 377552, 385679, 401149, 440776, 458456, 660716, 771358, 802298, 881552, 916912, 1321432, 1542716, 1560773, 1604596, 2642864, 2808043, 3085432, 3121546, 3209192, 5616086, 6170864, 6243092, 6418384, 10925411, 11232172, 12486184, 21850822, 22464344, 24972368, 26533141, 43701644, 44928688, 53066282, 76477877, 87403288, 106132564, 152955754, 174806576, 185731987, 212265128, 305911508, 371463974, 424530256, 611823016, 742927948, 1223646032, 1300123909, 1485855896, 2600247818, 2971711792, 5200495636, 10400991272, 20801982544]

約数ペア:

[(1, 20801982544), (2, 10400991272), (4, 5200495636), (7, 2971711792), (8, 2600247818), (14, 1485855896), (16, 1300123909), (17, 1223646032), (28, 742927948), (34, 611823016), (49, 424530256), (56, 371463974), (68, 305911508), (98, 212265128), (112, 185731987), (119, 174806576), (136, 152955754), (196, 106132564), (238, 87403288), (272, 76477877), (392, 53066282), (463, 44928688), (476, 43701644), (784, 26533141), (833, 24972368), (926, 22464344), (952, 21850822), (1666, 12486184), (1852, 11232172), (1904, 10925411), (3241, 6418384), (3332, 6243092), (3371, 6170864), (3704, 5616086), (6482, 3209192), (6664, 3121546), (6742, 3085432), (7408, 2808043), (7871, 2642864), (12964, 1604596), (13328, 1560773), (13484, 1542716), (15742, 1321432), (22687, 916912), (23597, 881552), (25928, 802298), (26968, 771358), (31484, 660716), (45374, 458456), (47194, 440776), (51856, 401149), (53936, 385679), (55097, 377552), (57307, 362992), (62968, 330358), (90748, 229228), (94388, 220388), (110194, 188776), (114614, 181496), (125936, 165179)]