20216576916

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{823}}^1\times {\mathrm{11971}}^1$

素因数の和:12826

約数の個数: 96

約数和(自身を含む): 55243596800

約数和(自身を除く): 35027019884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 823, 1026, 1646, 2052, 2469, 3292, 4938, 7407, 9876, 11971, 14814, 15637, 22221, 23942, 29628, 31274, 35913, 44442, 46911, 47884, 62548, 71826, 88884, 93822, 107739, 140733, 143652, 187644, 215478, 227449, 281466, 323217, 422199, 430956, 454898, 562932, 646434, 682347, 844398, 909796, 1292868, 1364694, 1688796, 2047041, 2729388, 4094082, 6141123, 8188164, 9852133, 12282246, 19704266, 24564492, 29556399, 39408532, 59112798, 88669197, 118225596, 177338394, 187190527, 266007591, 354676788, 374381054, 532015182, 561571581, 748762108, 1064030364, 1123143162, 1684714743, 2246286324, 3369429486, 5054144229, 6738858972, 10108288458, 20216576916]

約数ペア:

[(1, 20216576916), (2, 10108288458), (3, 6738858972), (4, 5054144229), (6, 3369429486), (9, 2246286324), (12, 1684714743), (18, 1123143162), (19, 1064030364), (27, 748762108), (36, 561571581), (38, 532015182), (54, 374381054), (57, 354676788), (76, 266007591), (108, 187190527), (114, 177338394), (171, 118225596), (228, 88669197), (342, 59112798), (513, 39408532), (684, 29556399), (823, 24564492), (1026, 19704266), (1646, 12282246), (2052, 9852133), (2469, 8188164), (3292, 6141123), (4938, 4094082), (7407, 2729388), (9876, 2047041), (11971, 1688796), (14814, 1364694), (15637, 1292868), (22221, 909796), (23942, 844398), (29628, 682347), (31274, 646434), (35913, 562932), (44442, 454898), (46911, 430956), (47884, 422199), (62548, 323217), (71826, 281466), (88884, 227449), (93822, 215478), (107739, 187644), (140733, 143652)]