20195384

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{673}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 43028160

約数和(自身を除く): 22832776

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 121, 124, 242, 248, 341, 484, 673, 682, 968, 1346, 1364, 2692, 2728, 3751, 5384, 7403, 7502, 14806, 15004, 20863, 29612, 30008, 41726, 59224, 81433, 83452, 162866, 166904, 229493, 325732, 458986, 651464, 917972, 1835944, 2524423, 5048846, 10097692, 20195384]

約数ペア:

[(1, 20195384), (2, 10097692), (4, 5048846), (8, 2524423), (11, 1835944), (22, 917972), (31, 651464), (44, 458986), (62, 325732), (88, 229493), (121, 166904), (124, 162866), (242, 83452), (248, 81433), (341, 59224), (484, 41726), (673, 30008), (682, 29612), (968, 20863), (1346, 15004), (1364, 14806), (2692, 7502), (2728, 7403), (3751, 5384)]