20804863616

素因数分解:

$2^7\times {\mathrm{79}}^1\times {\mathrm{461}}^1\times {\mathrm{4463}}^1$

素因数の和:5017

約数の個数: 64

約数和(自身を含む): 42072307200

約数和(自身を除く): 21267443584

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 316, 461, 632, 922, 1264, 1844, 2528, 3688, 4463, 5056, 7376, 8926, 10112, 14752, 17852, 29504, 35704, 36419, 59008, 71408, 72838, 142816, 145676, 285632, 291352, 352577, 571264, 582704, 705154, 1165408, 1410308, 2057443, 2330816, 2820616, 4114886, 4661632, 5641232, 8229772, 11282464, 16459544, 22564928, 32919088, 45129856, 65838176, 131676352, 162537997, 263352704, 325075994, 650151988, 1300303976, 2600607952, 5201215904, 10402431808, 20804863616]

約数ペア:

[(1, 20804863616), (2, 10402431808), (4, 5201215904), (8, 2600607952), (16, 1300303976), (32, 650151988), (64, 325075994), (79, 263352704), (128, 162537997), (158, 131676352), (316, 65838176), (461, 45129856), (632, 32919088), (922, 22564928), (1264, 16459544), (1844, 11282464), (2528, 8229772), (3688, 5641232), (4463, 4661632), (5056, 4114886), (7376, 2820616), (8926, 2330816), (10112, 2057443), (14752, 1410308), (17852, 1165408), (29504, 705154), (35704, 582704), (36419, 571264), (59008, 352577), (71408, 291352), (72838, 285632), (142816, 145676)]