22037720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:408

約数の個数: 64

約数和(自身を含む): 52876800

約数和(自身を除く): 30839080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 107, 152, 190, 214, 271, 380, 428, 535, 542, 760, 856, 1070, 1084, 1355, 2033, 2140, 2168, 2710, 4066, 4280, 5149, 5420, 8132, 10165, 10298, 10840, 16264, 20330, 20596, 25745, 28997, 40660, 41192, 51490, 57994, 81320, 102980, 115988, 144985, 205960, 231976, 289970, 550943, 579940, 1101886, 1159880, 2203772, 2754715, 4407544, 5509430, 11018860, 22037720]

約数ペア:

[(1, 22037720), (2, 11018860), (4, 5509430), (5, 4407544), (8, 2754715), (10, 2203772), (19, 1159880), (20, 1101886), (38, 579940), (40, 550943), (76, 289970), (95, 231976), (107, 205960), (152, 144985), (190, 115988), (214, 102980), (271, 81320), (380, 57994), (428, 51490), (535, 41192), (542, 40660), (760, 28997), (856, 25745), (1070, 20596), (1084, 20330), (1355, 16264), (2033, 10840), (2140, 10298), (2168, 10165), (2710, 8132), (4066, 5420), (4280, 5149)]