20317920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{6047}}^1$

素因数の和:6072

約数の個数: 96

約数和(自身を含む): 73156608

約数和(自身を除く): 52838688

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 6047, 12094, 18141, 24188, 30235, 36282, 42329, 48376, 60470, 72564, 84658, 90705, 96752, 120940, 126987, 145128, 169316, 181410, 193504, 211645, 241880, 253974, 290256, 338632, 362820, 423290, 483760, 507948, 580512, 634935, 677264, 725640, 846580, 967520, 1015896, 1269870, 1354528, 1451280, 1693160, 2031792, 2539740, 2902560, 3386320, 4063584, 5079480, 6772640, 10158960, 20317920]

約数ペア:

[(1, 20317920), (2, 10158960), (3, 6772640), (4, 5079480), (5, 4063584), (6, 3386320), (7, 2902560), (8, 2539740), (10, 2031792), (12, 1693160), (14, 1451280), (15, 1354528), (16, 1269870), (20, 1015896), (21, 967520), (24, 846580), (28, 725640), (30, 677264), (32, 634935), (35, 580512), (40, 507948), (42, 483760), (48, 423290), (56, 362820), (60, 338632), (70, 290256), (80, 253974), (84, 241880), (96, 211645), (105, 193504), (112, 181410), (120, 169316), (140, 145128), (160, 126987), (168, 120940), (210, 96752), (224, 90705), (240, 84658), (280, 72564), (336, 60470), (420, 48376), (480, 42329), (560, 36282), (672, 30235), (840, 24188), (1120, 18141), (1680, 12094), (3360, 6047)]