20103015

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 33175296

約数和(自身を除く): 13072281

約数列:

[1, 3, 5, 15, 67, 83, 201, 241, 249, 335, 415, 723, 1005, 1205, 1245, 3615, 5561, 16147, 16683, 20003, 27805, 48441, 60009, 80735, 83415, 100015, 242205, 300045, 1340201, 4020603, 6701005, 20103015]

約数ペア:

[(1, 20103015), (3, 6701005), (5, 4020603), (15, 1340201), (67, 300045), (83, 242205), (201, 100015), (241, 83415), (249, 80735), (335, 60009), (415, 48441), (723, 27805), (1005, 20003), (1205, 16683), (1245, 16147), (3615, 5561)]