20199204896

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{188933}}^1$

素因数の和:189213

約数の個数: 48

約数和(自身を含む): 42993065304

約数和(自身を除く): 22793860408

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 257, 416, 514, 1028, 2056, 3341, 4112, 6682, 8224, 13364, 26728, 53456, 106912, 188933, 377866, 755732, 1511464, 2456129, 3022928, 4912258, 6045856, 9824516, 19649032, 39298064, 48555781, 78596128, 97111562, 194223124, 388446248, 631225153, 776892496, 1262450306, 1553784992, 2524900612, 5049801224, 10099602448, 20199204896]

約数ペア:

[(1, 20199204896), (2, 10099602448), (4, 5049801224), (8, 2524900612), (13, 1553784992), (16, 1262450306), (26, 776892496), (32, 631225153), (52, 388446248), (104, 194223124), (208, 97111562), (257, 78596128), (416, 48555781), (514, 39298064), (1028, 19649032), (2056, 9824516), (3341, 6045856), (4112, 4912258), (6682, 3022928), (8224, 2456129), (13364, 1511464), (26728, 755732), (53456, 377866), (106912, 188933)]