20216971812

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{271}}^1\times {\mathrm{1013}}^1$

素因数の和:1346

約数の個数: 144

約数和(自身を含む): 52961755392

約数和(自身を除く): 32744783580

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 76, 102, 114, 204, 228, 271, 323, 361, 542, 646, 722, 813, 969, 1013, 1083, 1084, 1292, 1444, 1626, 1938, 2026, 2166, 3039, 3252, 3876, 4052, 4332, 4607, 5149, 6078, 6137, 9214, 10298, 12156, 12274, 13821, 15447, 17221, 18411, 18428, 19247, 20596, 24548, 27642, 30894, 34442, 36822, 38494, 51663, 55284, 57741, 61788, 68884, 73644, 76988, 87533, 97831, 103326, 115482, 175066, 195662, 206652, 230964, 262599, 274523, 293493, 327199, 350132, 365693, 391324, 525198, 549046, 586986, 654398, 731386, 823569, 981597, 1050396, 1097079, 1098092, 1173972, 1308796, 1462772, 1647138, 1663127, 1963194, 2194158, 3294276, 3326254, 3926388, 4388316, 4666891, 4989381, 5215937, 6216781, 6652508, 9333782, 9978762, 10431874, 12433562, 14000673, 15647811, 18650343, 18667564, 19957524, 20863748, 24867124, 28001346, 31295622, 37300686, 56002692, 62591244, 74601372, 88670929, 99102803, 177341858, 198205606, 266012787, 297308409, 354683716, 396411212, 532025574, 594616818, 1064051148, 1189233636, 1684747651, 3369495302, 5054242953, 6738990604, 10108485906, 20216971812]

約数ペア:

[(1, 20216971812), (2, 10108485906), (3, 6738990604), (4, 5054242953), (6, 3369495302), (12, 1684747651), (17, 1189233636), (19, 1064051148), (34, 594616818), (38, 532025574), (51, 396411212), (57, 354683716), (68, 297308409), (76, 266012787), (102, 198205606), (114, 177341858), (204, 99102803), (228, 88670929), (271, 74601372), (323, 62591244), (361, 56002692), (542, 37300686), (646, 31295622), (722, 28001346), (813, 24867124), (969, 20863748), (1013, 19957524), (1083, 18667564), (1084, 18650343), (1292, 15647811), (1444, 14000673), (1626, 12433562), (1938, 10431874), (2026, 9978762), (2166, 9333782), (3039, 6652508), (3252, 6216781), (3876, 5215937), (4052, 4989381), (4332, 4666891), (4607, 4388316), (5149, 3926388), (6078, 3326254), (6137, 3294276), (9214, 2194158), (10298, 1963194), (12156, 1663127), (12274, 1647138), (13821, 1462772), (15447, 1308796), (17221, 1173972), (18411, 1098092), (18428, 1097079), (19247, 1050396), (20596, 981597), (24548, 823569), (27642, 731386), (30894, 654398), (34442, 586986), (36822, 549046), (38494, 525198), (51663, 391324), (55284, 365693), (57741, 350132), (61788, 327199), (68884, 293493), (73644, 274523), (76988, 262599), (87533, 230964), (97831, 206652), (103326, 195662), (115482, 175066)]