20249944

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 46126080

約数和(自身を除く): 25876136

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 31, 44, 52, 62, 88, 104, 124, 143, 248, 286, 341, 403, 571, 572, 682, 806, 1142, 1144, 1364, 1612, 2284, 2728, 3224, 4433, 4568, 6281, 7423, 8866, 12562, 14846, 17701, 17732, 25124, 29692, 35402, 35464, 50248, 59384, 70804, 81653, 141608, 163306, 194711, 230113, 326612, 389422, 460226, 653224, 778844, 920452, 1557688, 1840904, 2531243, 5062486, 10124972, 20249944]

約数ペア:

[(1, 20249944), (2, 10124972), (4, 5062486), (8, 2531243), (11, 1840904), (13, 1557688), (22, 920452), (26, 778844), (31, 653224), (44, 460226), (52, 389422), (62, 326612), (88, 230113), (104, 194711), (124, 163306), (143, 141608), (248, 81653), (286, 70804), (341, 59384), (403, 50248), (571, 35464), (572, 35402), (682, 29692), (806, 25124), (1142, 17732), (1144, 17701), (1364, 14846), (1612, 12562), (2284, 8866), (2728, 7423), (3224, 6281), (4433, 4568)]