20276984

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 49986720

約数和(自身を除く): 29709736

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 46, 49, 52, 56, 91, 92, 98, 104, 161, 173, 182, 184, 196, 299, 322, 346, 364, 392, 598, 637, 644, 692, 728, 1127, 1196, 1211, 1274, 1288, 1384, 2093, 2249, 2254, 2392, 2422, 2548, 3979, 4186, 4498, 4508, 4844, 5096, 7958, 8372, 8477, 8996, 9016, 9688, 14651, 15743, 15916, 16744, 16954, 17992, 27853, 29302, 31486, 31832, 33908, 51727, 55706, 58604, 62972, 67816, 103454, 110201, 111412, 117208, 125944, 194971, 206908, 220402, 222824, 362089, 389942, 413816, 440804, 724178, 779884, 881608, 1448356, 1559768, 2534623, 2896712, 5069246, 10138492, 20276984]

約数ペア:

[(1, 20276984), (2, 10138492), (4, 5069246), (7, 2896712), (8, 2534623), (13, 1559768), (14, 1448356), (23, 881608), (26, 779884), (28, 724178), (46, 440804), (49, 413816), (52, 389942), (56, 362089), (91, 222824), (92, 220402), (98, 206908), (104, 194971), (161, 125944), (173, 117208), (182, 111412), (184, 110201), (196, 103454), (299, 67816), (322, 62972), (346, 58604), (364, 55706), (392, 51727), (598, 33908), (637, 31832), (644, 31486), (692, 29302), (728, 27853), (1127, 17992), (1196, 16954), (1211, 16744), (1274, 15916), (1288, 15743), (1384, 14651), (2093, 9688), (2249, 9016), (2254, 8996), (2392, 8477), (2422, 8372), (2548, 7958), (3979, 5096), (4186, 4844), (4498, 4508)]