20370896

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{823}}^1$

素因数の和:868

約数の個数: 80

約数和(自身を含む): 51496704

約数和(自身を除く): 31125808

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 52, 56, 68, 91, 104, 112, 119, 136, 182, 208, 221, 238, 272, 364, 442, 476, 728, 823, 884, 952, 1456, 1547, 1646, 1768, 1904, 3094, 3292, 3536, 5761, 6188, 6584, 10699, 11522, 12376, 13168, 13991, 21398, 23044, 24752, 27982, 42796, 46088, 55964, 74893, 85592, 92176, 97937, 111928, 149786, 171184, 181883, 195874, 223856, 299572, 363766, 391748, 599144, 727532, 783496, 1198288, 1273181, 1455064, 1566992, 2546362, 2910128, 5092724, 10185448, 20370896]

約数ペア:

[(1, 20370896), (2, 10185448), (4, 5092724), (7, 2910128), (8, 2546362), (13, 1566992), (14, 1455064), (16, 1273181), (17, 1198288), (26, 783496), (28, 727532), (34, 599144), (52, 391748), (56, 363766), (68, 299572), (91, 223856), (104, 195874), (112, 181883), (119, 171184), (136, 149786), (182, 111928), (208, 97937), (221, 92176), (238, 85592), (272, 74893), (364, 55964), (442, 46088), (476, 42796), (728, 27982), (823, 24752), (884, 23044), (952, 21398), (1456, 13991), (1547, 13168), (1646, 12376), (1768, 11522), (1904, 10699), (3094, 6584), (3292, 6188), (3536, 5761)]