20883522

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 48107520

約数和(自身を除く): 27223998

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 59, 62, 66, 93, 118, 173, 177, 186, 341, 346, 354, 519, 649, 682, 1023, 1038, 1298, 1829, 1903, 1947, 2046, 3658, 3806, 3894, 5363, 5487, 5709, 10207, 10726, 10974, 11418, 16089, 20119, 20414, 30621, 32178, 40238, 58993, 60357, 61242, 112277, 117986, 120714, 176979, 224554, 316417, 336831, 353958, 632834, 673662, 949251, 1898502, 3480587, 6961174, 10441761, 20883522]

約数ペア:

[(1, 20883522), (2, 10441761), (3, 6961174), (6, 3480587), (11, 1898502), (22, 949251), (31, 673662), (33, 632834), (59, 353958), (62, 336831), (66, 316417), (93, 224554), (118, 176979), (173, 120714), (177, 117986), (186, 112277), (341, 61242), (346, 60357), (354, 58993), (519, 40238), (649, 32178), (682, 30621), (1023, 20414), (1038, 20119), (1298, 16089), (1829, 11418), (1903, 10974), (1947, 10726), (2046, 10207), (3658, 5709), (3806, 5487), (3894, 5363)]