20512576098

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{294391}}^1$

素因数の和:294492

約数の個数: 72

約数和(自身を含む): 52354673280

約数和(自身を除く): 31842097182

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 79, 98, 126, 147, 158, 237, 294, 441, 474, 553, 711, 882, 1106, 1422, 1659, 3318, 3871, 4977, 7742, 9954, 11613, 23226, 34839, 69678, 294391, 588782, 883173, 1766346, 2060737, 2649519, 4121474, 5299038, 6182211, 12364422, 14425159, 18546633, 23256889, 28850318, 37093266, 43275477, 46513778, 69770667, 86550954, 129826431, 139541334, 162798223, 209312001, 259652862, 325596446, 418624002, 488394669, 976789338, 1139587561, 1465184007, 2279175122, 2930368014, 3418762683, 6837525366, 10256288049, 20512576098]

約数ペア:

[(1, 20512576098), (2, 10256288049), (3, 6837525366), (6, 3418762683), (7, 2930368014), (9, 2279175122), (14, 1465184007), (18, 1139587561), (21, 976789338), (42, 488394669), (49, 418624002), (63, 325596446), (79, 259652862), (98, 209312001), (126, 162798223), (147, 139541334), (158, 129826431), (237, 86550954), (294, 69770667), (441, 46513778), (474, 43275477), (553, 37093266), (711, 28850318), (882, 23256889), (1106, 18546633), (1422, 14425159), (1659, 12364422), (3318, 6182211), (3871, 5299038), (4977, 4121474), (7742, 2649519), (9954, 2060737), (11613, 1766346), (23226, 883173), (34839, 588782), (69678, 294391)]