20689094508

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^2\times {\mathrm{269}}^1\times {\mathrm{7621}}^1$

素因数の和:7955

約数の個数: 72

約数和(自身を含む): 50189040720

約数和(自身を除く): 29499946212

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 269, 348, 538, 807, 841, 1076, 1614, 1682, 2523, 3228, 3364, 5046, 7621, 7801, 10092, 15242, 15602, 22863, 23403, 30484, 31204, 45726, 46806, 91452, 93612, 221009, 226229, 442018, 452458, 663027, 678687, 884036, 904916, 1326054, 1357374, 2050049, 2652108, 2714748, 4100098, 6150147, 6409261, 8200196, 12300294, 12818522, 19227783, 24600588, 25637044, 38455566, 59451421, 76911132, 118902842, 178354263, 237805684, 356708526, 713417052, 1724091209, 3448182418, 5172273627, 6896364836, 10344547254, 20689094508]

約数ペア:

[(1, 20689094508), (2, 10344547254), (3, 6896364836), (4, 5172273627), (6, 3448182418), (12, 1724091209), (29, 713417052), (58, 356708526), (87, 237805684), (116, 178354263), (174, 118902842), (269, 76911132), (348, 59451421), (538, 38455566), (807, 25637044), (841, 24600588), (1076, 19227783), (1614, 12818522), (1682, 12300294), (2523, 8200196), (3228, 6409261), (3364, 6150147), (5046, 4100098), (7621, 2714748), (7801, 2652108), (10092, 2050049), (15242, 1357374), (15602, 1326054), (22863, 904916), (23403, 884036), (30484, 678687), (31204, 663027), (45726, 452458), (46806, 442018), (91452, 226229), (93612, 221009)]