20660222464

素因数分解:

$2^9\times 7^1\times {\mathrm{191}}^1\times {\mathrm{30181}}^1$

素因数の和:30397

約数の個数: 80

約数和(自身を含む): 47425821696

約数和(自身を除く): 26765599232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 191, 224, 256, 382, 448, 512, 764, 896, 1337, 1528, 1792, 2674, 3056, 3584, 5348, 6112, 10696, 12224, 21392, 24448, 30181, 42784, 48896, 60362, 85568, 97792, 120724, 171136, 211267, 241448, 342272, 422534, 482896, 684544, 845068, 965792, 1690136, 1931584, 3380272, 3863168, 5764571, 6760544, 7726336, 11529142, 13521088, 15452672, 23058284, 27042176, 40351997, 46116568, 54084352, 80703994, 92233136, 108168704, 161407988, 184466272, 322815976, 368932544, 645631952, 737865088, 1291263904, 1475730176, 2582527808, 2951460352, 5165055616, 10330111232, 20660222464]

約数ペア:

[(1, 20660222464), (2, 10330111232), (4, 5165055616), (7, 2951460352), (8, 2582527808), (14, 1475730176), (16, 1291263904), (28, 737865088), (32, 645631952), (56, 368932544), (64, 322815976), (112, 184466272), (128, 161407988), (191, 108168704), (224, 92233136), (256, 80703994), (382, 54084352), (448, 46116568), (512, 40351997), (764, 27042176), (896, 23058284), (1337, 15452672), (1528, 13521088), (1792, 11529142), (2674, 7726336), (3056, 6760544), (3584, 5764571), (5348, 3863168), (6112, 3380272), (10696, 1931584), (12224, 1690136), (21392, 965792), (24448, 845068), (30181, 684544), (42784, 482896), (48896, 422534), (60362, 342272), (85568, 241448), (97792, 211267), (120724, 171136)]