20474376

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{479}}^1$

素因数の和:638

約数の個数: 64

約数和(自身を含む): 55641600

約数和(自身を除く): 35167224

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 137, 156, 274, 312, 411, 479, 548, 822, 958, 1096, 1437, 1644, 1781, 1916, 2874, 3288, 3562, 3832, 5343, 5748, 6227, 7124, 10686, 11496, 12454, 14248, 18681, 21372, 24908, 37362, 42744, 49816, 65623, 74724, 131246, 149448, 196869, 262492, 393738, 524984, 787476, 853099, 1574952, 1706198, 2559297, 3412396, 5118594, 6824792, 10237188, 20474376]

約数ペア:

[(1, 20474376), (2, 10237188), (3, 6824792), (4, 5118594), (6, 3412396), (8, 2559297), (12, 1706198), (13, 1574952), (24, 853099), (26, 787476), (39, 524984), (52, 393738), (78, 262492), (104, 196869), (137, 149448), (156, 131246), (274, 74724), (312, 65623), (411, 49816), (479, 42744), (548, 37362), (822, 24908), (958, 21372), (1096, 18681), (1437, 14248), (1644, 12454), (1781, 11496), (1916, 10686), (2874, 7124), (3288, 6227), (3562, 5748), (3832, 5343)]