20655696

素因数分解:

$2^4\times 3^1\times {\mathrm{653}}^1\times {\mathrm{659}}^1$

素因数の和:1323

約数の個数: 40

約数和(自身を含む): 53523360

約数和(自身を除く): 32867664

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 653, 659, 1306, 1318, 1959, 1977, 2612, 2636, 3918, 3954, 5224, 5272, 7836, 7908, 10448, 10544, 15672, 15816, 31344, 31632, 430327, 860654, 1290981, 1721308, 2581962, 3442616, 5163924, 6885232, 10327848, 20655696]

約数ペア:

[(1, 20655696), (2, 10327848), (3, 6885232), (4, 5163924), (6, 3442616), (8, 2581962), (12, 1721308), (16, 1290981), (24, 860654), (48, 430327), (653, 31632), (659, 31344), (1306, 15816), (1318, 15672), (1959, 10544), (1977, 10448), (2612, 7908), (2636, 7836), (3918, 5272), (3954, 5224)]