20571661545

素因数分解:

$3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3251}}^1\times {\mathrm{4349}}^1$

素因数の和:7705

約数の個数: 32

約数和(自身を含む): 33271862400

約数和(自身を除く): 12700200855

約数列:

[1, 3, 5, 15, 97, 291, 485, 1455, 3251, 4349, 9753, 13047, 16255, 21745, 48765, 65235, 315347, 421853, 946041, 1265559, 1576735, 2109265, 4730205, 6327795, 14138599, 42415797, 70692995, 212078985, 1371444103, 4114332309, 6857220515, 20571661545]

約数ペア:

[(1, 20571661545), (3, 6857220515), (5, 4114332309), (15, 1371444103), (97, 212078985), (291, 70692995), (485, 42415797), (1455, 14138599), (3251, 6327795), (4349, 4730205), (9753, 2109265), (13047, 1576735), (16255, 1265559), (21745, 946041), (48765, 421853), (65235, 315347)]