20645731965

素因数分解:

$3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1\times {\mathrm{40343}}^1$

素因数の和:40773

約数の個数: 32

約数和(自身を含む): 33443562240

約数和(自身を除く): 12797830275

約数列:

[1, 3, 5, 15, 109, 313, 327, 545, 939, 1565, 1635, 4695, 34117, 40343, 102351, 121029, 170585, 201715, 511755, 605145, 4397387, 12627359, 13192161, 21986935, 37882077, 63136795, 65960805, 189410385, 1376382131, 4129146393, 6881910655, 20645731965]

約数ペア:

[(1, 20645731965), (3, 6881910655), (5, 4129146393), (15, 1376382131), (109, 189410385), (313, 65960805), (327, 63136795), (545, 37882077), (939, 21986935), (1565, 13192161), (1635, 12627359), (4695, 4397387), (34117, 605145), (40343, 511755), (102351, 201715), (121029, 170585)]