20187376005

素因数分解:

$3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1\times {\mathrm{21557}}^1$

素因数の和:22133

約数の個数: 32

約数和(自身を含む): 32595696000

約数和(自身を除く): 12408319995

約数列:

[1, 3, 5, 15, 149, 419, 447, 745, 1257, 2095, 2235, 6285, 21557, 62431, 64671, 107785, 187293, 312155, 323355, 936465, 3211993, 9032383, 9635979, 16059965, 27097149, 45161915, 48179895, 135485745, 1345825067, 4037475201, 6729125335, 20187376005]

約数ペア:

[(1, 20187376005), (3, 6729125335), (5, 4037475201), (15, 1345825067), (149, 135485745), (419, 48179895), (447, 45161915), (745, 27097149), (1257, 16059965), (2095, 9635979), (2235, 9032383), (6285, 3211993), (21557, 936465), (62431, 323355), (64671, 312155), (107785, 187293)]