20996937234

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4272881}}^1$

素因数の和:4272912

約数の個数: 64

約数和(自身を含む): 57427534080

約数和(自身を除く): 36430596846

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 234, 273, 351, 378, 546, 702, 819, 1638, 2457, 4914, 4272881, 8545762, 12818643, 25637286, 29910167, 38455929, 55547453, 59820334, 76911858, 89730501, 111094906, 115367787, 166642359, 179461002, 230735574, 269191503, 333284718, 388832171, 499927077, 538383006, 777664342, 807574509, 999854154, 1166496513, 1499781231, 1615149018, 2332993026, 2999562462, 3499489539, 6998979078, 10498468617, 20996937234]

約数ペア:

[(1, 20996937234), (2, 10498468617), (3, 6998979078), (6, 3499489539), (7, 2999562462), (9, 2332993026), (13, 1615149018), (14, 1499781231), (18, 1166496513), (21, 999854154), (26, 807574509), (27, 777664342), (39, 538383006), (42, 499927077), (54, 388832171), (63, 333284718), (78, 269191503), (91, 230735574), (117, 179461002), (126, 166642359), (182, 115367787), (189, 111094906), (234, 89730501), (273, 76911858), (351, 59820334), (378, 55547453), (546, 38455929), (702, 29910167), (819, 25637286), (1638, 12818643), (2457, 8545762), (4914, 4272881)]