20802172808

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{21247}}^1$

素因数の和:21606

約数の個数: 64

約数和(自身を含む): 43233730560

約数和(自身を除く): 22431557752

約数列:

[1, 2, 4, 8, 17, 23, 34, 46, 68, 92, 136, 184, 313, 391, 626, 782, 1252, 1564, 2504, 3128, 5321, 7199, 10642, 14398, 21247, 21284, 28796, 42494, 42568, 57592, 84988, 122383, 169976, 244766, 361199, 488681, 489532, 722398, 977362, 979064, 1444796, 1954724, 2889592, 3909448, 6650311, 8307577, 13300622, 16615154, 26601244, 33230308, 53202488, 66460616, 113055287, 152957153, 226110574, 305914306, 452221148, 611828612, 904442296, 1223657224, 2600271601, 5200543202, 10401086404, 20802172808]

約数ペア:

[(1, 20802172808), (2, 10401086404), (4, 5200543202), (8, 2600271601), (17, 1223657224), (23, 904442296), (34, 611828612), (46, 452221148), (68, 305914306), (92, 226110574), (136, 152957153), (184, 113055287), (313, 66460616), (391, 53202488), (626, 33230308), (782, 26601244), (1252, 16615154), (1564, 13300622), (2504, 8307577), (3128, 6650311), (5321, 3909448), (7199, 2889592), (10642, 1954724), (14398, 1444796), (21247, 979064), (21284, 977362), (28796, 722398), (42494, 489532), (42568, 488681), (57592, 361199), (84988, 244766), (122383, 169976)]