20198481948

素因数分解:

$2^2\times 3^3\times {\mathrm{10639}}^1\times {\mathrm{17579}}^1$

素因数の和:28231

約数の個数: 48

約数和(自身を含む): 52374336000

約数和(自身を除く): 32175854052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 10639, 17579, 21278, 31917, 35158, 42556, 52737, 63834, 70316, 95751, 105474, 127668, 158211, 191502, 210948, 287253, 316422, 383004, 474633, 574506, 632844, 949266, 1149012, 1898532, 187022981, 374045962, 561068943, 748091924, 1122137886, 1683206829, 2244275772, 3366413658, 5049620487, 6732827316, 10099240974, 20198481948]

約数ペア:

[(1, 20198481948), (2, 10099240974), (3, 6732827316), (4, 5049620487), (6, 3366413658), (9, 2244275772), (12, 1683206829), (18, 1122137886), (27, 748091924), (36, 561068943), (54, 374045962), (108, 187022981), (10639, 1898532), (17579, 1149012), (21278, 949266), (31917, 632844), (35158, 574506), (42556, 474633), (52737, 383004), (63834, 316422), (70316, 287253), (95751, 210948), (105474, 191502), (127668, 158211)]