20237721876

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{340909}}^1$

素因数の和:341033

約数の個数: 72

約数和(自身を含む): 54724236840

約数和(自身を除く): 34486514964

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 97, 102, 153, 194, 204, 291, 306, 388, 582, 612, 873, 1164, 1649, 1746, 3298, 3492, 4947, 6596, 9894, 14841, 19788, 29682, 59364, 340909, 681818, 1022727, 1363636, 2045454, 3068181, 4090908, 5795453, 6136362, 11590906, 12272724, 17386359, 23181812, 33068173, 34772718, 52159077, 66136346, 69545436, 99204519, 104318154, 132272692, 198409038, 208636308, 297613557, 396818076, 562158941, 595227114, 1124317882, 1190454228, 1686476823, 2248635764, 3372953646, 5059430469, 6745907292, 10118860938, 20237721876]

約数ペア:

[(1, 20237721876), (2, 10118860938), (3, 6745907292), (4, 5059430469), (6, 3372953646), (9, 2248635764), (12, 1686476823), (17, 1190454228), (18, 1124317882), (34, 595227114), (36, 562158941), (51, 396818076), (68, 297613557), (97, 208636308), (102, 198409038), (153, 132272692), (194, 104318154), (204, 99204519), (291, 69545436), (306, 66136346), (388, 52159077), (582, 34772718), (612, 33068173), (873, 23181812), (1164, 17386359), (1649, 12272724), (1746, 11590906), (3298, 6136362), (3492, 5795453), (4947, 4090908), (6596, 3068181), (9894, 2045454), (14841, 1363636), (19788, 1022727), (29682, 681818), (59364, 340909)]