20578380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{5119}}^1$

素因数の和:5198

約数の個数: 48

約数和(自身を含む): 58490880

約数和(自身を除く): 37912500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020, 5119, 10238, 15357, 20476, 25595, 30714, 51190, 61428, 76785, 102380, 153570, 307140, 342973, 685946, 1028919, 1371892, 1714865, 2057838, 3429730, 4115676, 5144595, 6859460, 10289190, 20578380]

約数ペア:

[(1, 20578380), (2, 10289190), (3, 6859460), (4, 5144595), (5, 4115676), (6, 3429730), (10, 2057838), (12, 1714865), (15, 1371892), (20, 1028919), (30, 685946), (60, 342973), (67, 307140), (134, 153570), (201, 102380), (268, 76785), (335, 61428), (402, 51190), (670, 30714), (804, 25595), (1005, 20476), (1340, 15357), (2010, 10238), (4020, 5119)]