20138778

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 52296192

約数和(自身を除く): 32157414

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 31, 33, 34, 51, 62, 66, 93, 99, 102, 153, 186, 187, 193, 198, 279, 306, 341, 374, 386, 527, 558, 561, 579, 682, 1023, 1054, 1122, 1158, 1581, 1683, 1737, 2046, 2123, 3069, 3162, 3281, 3366, 3474, 4246, 4743, 5797, 5983, 6138, 6369, 6562, 9486, 9843, 11594, 11966, 12738, 17391, 17949, 19107, 19686, 29529, 34782, 35898, 36091, 38214, 52173, 53847, 59058, 65813, 72182, 101711, 104346, 107694, 108273, 131626, 197439, 203422, 216546, 305133, 324819, 394878, 592317, 610266, 649638, 915399, 1118821, 1184634, 1830798, 2237642, 3356463, 6712926, 10069389, 20138778]

約数ペア:

[(1, 20138778), (2, 10069389), (3, 6712926), (6, 3356463), (9, 2237642), (11, 1830798), (17, 1184634), (18, 1118821), (22, 915399), (31, 649638), (33, 610266), (34, 592317), (51, 394878), (62, 324819), (66, 305133), (93, 216546), (99, 203422), (102, 197439), (153, 131626), (186, 108273), (187, 107694), (193, 104346), (198, 101711), (279, 72182), (306, 65813), (341, 59058), (374, 53847), (386, 52173), (527, 38214), (558, 36091), (561, 35898), (579, 34782), (682, 29529), (1023, 19686), (1054, 19107), (1122, 17949), (1158, 17391), (1581, 12738), (1683, 11966), (1737, 11594), (2046, 9843), (2123, 9486), (3069, 6562), (3162, 6369), (3281, 6138), (3366, 5983), (3474, 5797), (4246, 4743)]