20014904

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1447}}^1$

素因数の和:1492

約数の個数: 64

約数和(自身を含む): 48652800

約数和(自身を除く): 28637896

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 133, 152, 182, 247, 266, 364, 494, 532, 728, 988, 1064, 1447, 1729, 1976, 2894, 3458, 5788, 6916, 10129, 11576, 13832, 18811, 20258, 27493, 37622, 40516, 54986, 75244, 81032, 109972, 131677, 150488, 192451, 219944, 263354, 357409, 384902, 526708, 714818, 769804, 1053416, 1429636, 1539608, 2501863, 2859272, 5003726, 10007452, 20014904]

約数ペア:

[(1, 20014904), (2, 10007452), (4, 5003726), (7, 2859272), (8, 2501863), (13, 1539608), (14, 1429636), (19, 1053416), (26, 769804), (28, 714818), (38, 526708), (52, 384902), (56, 357409), (76, 263354), (91, 219944), (104, 192451), (133, 150488), (152, 131677), (182, 109972), (247, 81032), (266, 75244), (364, 54986), (494, 40516), (532, 37622), (728, 27493), (988, 20258), (1064, 18811), (1447, 13832), (1729, 11576), (1976, 10129), (2894, 6916), (3458, 5788)]