20587346

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:410

約数の個数: 32

約数和(自身を含む): 35078400

約数和(自身を除く): 14491054

約数列:

[1, 2, 13, 23, 26, 46, 173, 199, 299, 346, 398, 598, 2249, 2587, 3979, 4498, 4577, 5174, 7958, 9154, 34427, 51727, 59501, 68854, 103454, 119002, 447551, 791821, 895102, 1583642, 10293673, 20587346]

約数ペア:

[(1, 20587346), (2, 10293673), (13, 1583642), (23, 895102), (26, 791821), (46, 447551), (173, 119002), (199, 103454), (299, 68854), (346, 59501), (398, 51727), (598, 34427), (2249, 9154), (2587, 7958), (3979, 5174), (4498, 4577)]