20923095

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 34467840

約数和(自身を除く): 13544745

約数列:

[1, 3, 5, 15, 67, 109, 191, 201, 327, 335, 545, 573, 955, 1005, 1635, 2865, 7303, 12797, 20819, 21909, 36515, 38391, 62457, 63985, 104095, 109545, 191955, 312285, 1394873, 4184619, 6974365, 20923095]

約数ペア:

[(1, 20923095), (3, 6974365), (5, 4184619), (15, 1394873), (67, 312285), (109, 191955), (191, 109545), (201, 104095), (327, 63985), (335, 62457), (545, 38391), (573, 36515), (955, 21909), (1005, 20819), (1635, 12797), (2865, 7303)]