20408164428

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1\times {\mathrm{2801}}^1$

素因数の和:3159

約数の個数: 96

約数和(自身を含む): 49822698240

約数和(自身を除く): 29414533812

約数列:

[1, 2, 3, 4, 6, 12, 41, 59, 82, 118, 123, 164, 177, 236, 246, 251, 354, 492, 502, 708, 753, 1004, 1506, 2419, 2801, 3012, 4838, 5602, 7257, 8403, 9676, 10291, 11204, 14514, 14809, 16806, 20582, 29028, 29618, 30873, 33612, 41164, 44427, 59236, 61746, 88854, 114841, 123492, 165259, 177708, 229682, 330518, 344523, 459364, 495777, 607169, 661036, 689046, 703051, 991554, 1214338, 1378092, 1406102, 1821507, 1983108, 2109153, 2428676, 2812204, 3643014, 4218306, 6775619, 7286028, 8436612, 13551238, 20326857, 27102476, 28825091, 40653714, 41480009, 57650182, 81307428, 82960018, 86475273, 115300364, 124440027, 165920036, 172950546, 248880054, 345901092, 497760108, 1700680369, 3401360738, 5102041107, 6802721476, 10204082214, 20408164428]

約数ペア:

[(1, 20408164428), (2, 10204082214), (3, 6802721476), (4, 5102041107), (6, 3401360738), (12, 1700680369), (41, 497760108), (59, 345901092), (82, 248880054), (118, 172950546), (123, 165920036), (164, 124440027), (177, 115300364), (236, 86475273), (246, 82960018), (251, 81307428), (354, 57650182), (492, 41480009), (502, 40653714), (708, 28825091), (753, 27102476), (1004, 20326857), (1506, 13551238), (2419, 8436612), (2801, 7286028), (3012, 6775619), (4838, 4218306), (5602, 3643014), (7257, 2812204), (8403, 2428676), (9676, 2109153), (10291, 1983108), (11204, 1821507), (14514, 1406102), (14809, 1378092), (16806, 1214338), (20582, 991554), (29028, 703051), (29618, 689046), (30873, 661036), (33612, 607169), (41164, 495777), (44427, 459364), (59236, 344523), (61746, 330518), (88854, 229682), (114841, 177708), (123492, 165259)]