20875645088

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{4211}}^1$

素因数の和:4390

約数の個数: 96

約数和(自身を含む): 43560840960

約数和(自身を除く): 22685195872

約数列:

[1, 2, 4, 8, 16, 32, 37, 53, 74, 79, 106, 148, 158, 212, 296, 316, 424, 592, 632, 848, 1184, 1264, 1696, 1961, 2528, 2923, 3922, 4187, 4211, 5846, 7844, 8374, 8422, 11692, 15688, 16748, 16844, 23384, 31376, 33496, 33688, 46768, 62752, 66992, 67376, 93536, 133984, 134752, 154919, 155807, 223183, 309838, 311614, 332669, 446366, 619676, 623228, 665338, 892732, 1239352, 1246456, 1330676, 1785464, 2478704, 2492912, 2661352, 3570928, 4957408, 4985824, 5322704, 7141856, 8257771, 10645408, 12308753, 16515542, 17631457, 24617506, 33031084, 35262914, 49235012, 66062168, 70525828, 98470024, 132124336, 141051656, 196940048, 264248672, 282103312, 393880096, 564206624, 652363909, 1304727818, 2609455636, 5218911272, 10437822544, 20875645088]

約数ペア:

[(1, 20875645088), (2, 10437822544), (4, 5218911272), (8, 2609455636), (16, 1304727818), (32, 652363909), (37, 564206624), (53, 393880096), (74, 282103312), (79, 264248672), (106, 196940048), (148, 141051656), (158, 132124336), (212, 98470024), (296, 70525828), (316, 66062168), (424, 49235012), (592, 35262914), (632, 33031084), (848, 24617506), (1184, 17631457), (1264, 16515542), (1696, 12308753), (1961, 10645408), (2528, 8257771), (2923, 7141856), (3922, 5322704), (4187, 4985824), (4211, 4957408), (5846, 3570928), (7844, 2661352), (8374, 2492912), (8422, 2478704), (11692, 1785464), (15688, 1330676), (16748, 1246456), (16844, 1239352), (23384, 892732), (31376, 665338), (33496, 623228), (33688, 619676), (46768, 446366), (62752, 332669), (66992, 311614), (67376, 309838), (93536, 223183), (133984, 155807), (134752, 154919)]