20227396

素因数分解:

$2^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{641}}^1$

素因数の和:689

約数の個数: 48

約数和(自身を含む): 43142400

約数和(自身を除く): 22915004

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 343, 641, 644, 686, 1127, 1282, 1372, 2254, 2564, 4487, 4508, 7889, 8974, 14743, 15778, 17948, 29486, 31409, 31556, 58972, 62818, 103201, 125636, 206402, 219863, 412804, 439726, 722407, 879452, 1444814, 2889628, 5056849, 10113698, 20227396]

約数ペア:

[(1, 20227396), (2, 10113698), (4, 5056849), (7, 2889628), (14, 1444814), (23, 879452), (28, 722407), (46, 439726), (49, 412804), (92, 219863), (98, 206402), (161, 125636), (196, 103201), (322, 62818), (343, 58972), (641, 31556), (644, 31409), (686, 29486), (1127, 17948), (1282, 15778), (1372, 14743), (2254, 8974), (2564, 7889), (4487, 4508)]