20154163908

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1\times {\mathrm{1657}}^1$

素因数の和:2161

約数の個数: 96

約数和(自身を含む): 49629855744

約数和(自身を除く): 29475691836

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 127, 138, 254, 276, 347, 381, 508, 694, 762, 1041, 1388, 1524, 1657, 2082, 2921, 3314, 4164, 4971, 5842, 6628, 7981, 8763, 9942, 11684, 15962, 17526, 19884, 23943, 31924, 35052, 38111, 44069, 47886, 76222, 88138, 95772, 114333, 132207, 152444, 176276, 210439, 228666, 264414, 420878, 457332, 528828, 574979, 631317, 841756, 1013587, 1149958, 1262634, 1724937, 2027174, 2299916, 2525268, 3040761, 3449874, 4054348, 4840097, 6081522, 6899748, 9680194, 12163044, 13224517, 14520291, 19360388, 26449034, 29040582, 39673551, 52898068, 58081164, 73022333, 79347102, 146044666, 158694204, 219066999, 292089332, 438133998, 876267996, 1679513659, 3359027318, 5038540977, 6718054636, 10077081954, 20154163908]

約数ペア:

[(1, 20154163908), (2, 10077081954), (3, 6718054636), (4, 5038540977), (6, 3359027318), (12, 1679513659), (23, 876267996), (46, 438133998), (69, 292089332), (92, 219066999), (127, 158694204), (138, 146044666), (254, 79347102), (276, 73022333), (347, 58081164), (381, 52898068), (508, 39673551), (694, 29040582), (762, 26449034), (1041, 19360388), (1388, 14520291), (1524, 13224517), (1657, 12163044), (2082, 9680194), (2921, 6899748), (3314, 6081522), (4164, 4840097), (4971, 4054348), (5842, 3449874), (6628, 3040761), (7981, 2525268), (8763, 2299916), (9942, 2027174), (11684, 1724937), (15962, 1262634), (17526, 1149958), (19884, 1013587), (23943, 841756), (31924, 631317), (35052, 574979), (38111, 528828), (44069, 457332), (47886, 420878), (76222, 264414), (88138, 228666), (95772, 210439), (114333, 176276), (132207, 152444)]