20387832

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 53529600

約数和(自身を除く): 33141768

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 67, 93, 124, 134, 186, 201, 248, 268, 372, 402, 409, 536, 744, 804, 818, 1227, 1608, 1636, 2077, 2454, 3272, 4154, 4908, 6231, 8308, 9816, 12462, 12679, 16616, 24924, 25358, 27403, 38037, 49848, 50716, 54806, 76074, 82209, 101432, 109612, 152148, 164418, 219224, 304296, 328836, 657672, 849493, 1698986, 2548479, 3397972, 5096958, 6795944, 10193916, 20387832]

約数ペア:

[(1, 20387832), (2, 10193916), (3, 6795944), (4, 5096958), (6, 3397972), (8, 2548479), (12, 1698986), (24, 849493), (31, 657672), (62, 328836), (67, 304296), (93, 219224), (124, 164418), (134, 152148), (186, 109612), (201, 101432), (248, 82209), (268, 76074), (372, 54806), (402, 50716), (409, 49848), (536, 38037), (744, 27403), (804, 25358), (818, 24924), (1227, 16616), (1608, 12679), (1636, 12462), (2077, 9816), (2454, 8308), (3272, 6231), (4154, 4908)]