20819720970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{222647}}^1$

素因数の和:223699

約数の個数: 48

約数和(自身を含む): 54183617280

約数和(自身を除く): 33363896310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 1039, 2078, 3117, 5195, 6234, 9351, 10390, 15585, 18702, 31170, 46755, 93510, 222647, 445294, 667941, 1113235, 1335882, 2003823, 2226470, 3339705, 4007646, 6679410, 10019115, 20038230, 231330233, 462660466, 693990699, 1156651165, 1387981398, 2081972097, 2313302330, 3469953495, 4163944194, 6939906990, 10409860485, 20819720970]

約数ペア:

[(1, 20819720970), (2, 10409860485), (3, 6939906990), (5, 4163944194), (6, 3469953495), (9, 2313302330), (10, 2081972097), (15, 1387981398), (18, 1156651165), (30, 693990699), (45, 462660466), (90, 231330233), (1039, 20038230), (2078, 10019115), (3117, 6679410), (5195, 4007646), (6234, 3339705), (9351, 2226470), (10390, 2003823), (15585, 1335882), (18702, 1113235), (31170, 667941), (46755, 445294), (93510, 222647)]