20331584

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3491}}^1$

素因数の和:3523

約数の個数: 56

約数和(自身を含む): 49670208

約数和(自身を除く): 29338624

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 224, 364, 416, 448, 728, 832, 1456, 2912, 3491, 5824, 6982, 13964, 24437, 27928, 45383, 48874, 55856, 90766, 97748, 111712, 181532, 195496, 223424, 317681, 363064, 390992, 635362, 726128, 781984, 1270724, 1452256, 1563968, 2541448, 2904512, 5082896, 10165792, 20331584]

約数ペア:

[(1, 20331584), (2, 10165792), (4, 5082896), (7, 2904512), (8, 2541448), (13, 1563968), (14, 1452256), (16, 1270724), (26, 781984), (28, 726128), (32, 635362), (52, 390992), (56, 363064), (64, 317681), (91, 223424), (104, 195496), (112, 181532), (182, 111712), (208, 97748), (224, 90766), (364, 55856), (416, 48874), (448, 45383), (728, 27928), (832, 24437), (1456, 13964), (2912, 6982), (3491, 5824)]