20209733607

素因数分解:

$3^1\times 7^2\times {\mathrm{313}}^1\times {\mathrm{331}}^1\times {\mathrm{1327}}^1$

素因数の和:1988

約数の個数: 48

約数和(自身を含む): 31564626432

約数和(自身を除く): 11354892825

約数列:

[1, 3, 7, 21, 49, 147, 313, 331, 939, 993, 1327, 2191, 2317, 3981, 6573, 6951, 9289, 15337, 16219, 27867, 46011, 48657, 65023, 103603, 195069, 310809, 415351, 439237, 725221, 1246053, 1317711, 2175663, 2907457, 3074659, 5076547, 8722371, 9223977, 15229641, 20352199, 21522613, 61056597, 64567839, 137481181, 412443543, 962368267, 2887104801, 6736577869, 20209733607]

約数ペア:

[(1, 20209733607), (3, 6736577869), (7, 2887104801), (21, 962368267), (49, 412443543), (147, 137481181), (313, 64567839), (331, 61056597), (939, 21522613), (993, 20352199), (1327, 15229641), (2191, 9223977), (2317, 8722371), (3981, 5076547), (6573, 3074659), (6951, 2907457), (9289, 2175663), (15337, 1317711), (16219, 1246053), (27867, 725221), (46011, 439237), (48657, 415351), (65023, 310809), (103603, 195069)]