20453540166

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^2\times {\mathrm{1231}}^1\times {\mathrm{2557}}^1$

素因数の和:3834

約数の個数: 72

約数和(自身を含む): 46827484704

約数和(自身を除く): 26373944538

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 361, 722, 1083, 1231, 2166, 2462, 2557, 3249, 3693, 5114, 6498, 7386, 7671, 11079, 15342, 22158, 23013, 23389, 46026, 46778, 48583, 70167, 97166, 140334, 145749, 210501, 291498, 421002, 437247, 444391, 874494, 888782, 923077, 1333173, 1846154, 2666346, 2769231, 3147667, 3999519, 5538462, 6295334, 7999038, 8307693, 9443001, 16615386, 18886002, 28329003, 56658006, 59805673, 119611346, 179417019, 358834038, 538251057, 1076502114, 1136307787, 2272615574, 3408923361, 6817846722, 10226770083, 20453540166]

約数ペア:

[(1, 20453540166), (2, 10226770083), (3, 6817846722), (6, 3408923361), (9, 2272615574), (18, 1136307787), (19, 1076502114), (38, 538251057), (57, 358834038), (114, 179417019), (171, 119611346), (342, 59805673), (361, 56658006), (722, 28329003), (1083, 18886002), (1231, 16615386), (2166, 9443001), (2462, 8307693), (2557, 7999038), (3249, 6295334), (3693, 5538462), (5114, 3999519), (6498, 3147667), (7386, 2769231), (7671, 2666346), (11079, 1846154), (15342, 1333173), (22158, 923077), (23013, 888782), (23389, 874494), (46026, 444391), (46778, 437247), (48583, 421002), (70167, 291498), (97166, 210501), (140334, 145749)]