20120370240

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{20958719}}^1$

素因数の和:20958739

約数の個数: 56

約数和(自身を含む): 63882178560

約数和(自身を除く): 43761808320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 20958719, 41917438, 62876157, 83834876, 104793595, 125752314, 167669752, 209587190, 251504628, 314380785, 335339504, 419174380, 503009256, 628761570, 670679008, 838348760, 1006018512, 1257523140, 1341358016, 1676697520, 2012037024, 2515046280, 3353395040, 4024074048, 5030092560, 6706790080, 10060185120, 20120370240]

約数ペア:

[(1, 20120370240), (2, 10060185120), (3, 6706790080), (4, 5030092560), (5, 4024074048), (6, 3353395040), (8, 2515046280), (10, 2012037024), (12, 1676697520), (15, 1341358016), (16, 1257523140), (20, 1006018512), (24, 838348760), (30, 670679008), (32, 628761570), (40, 503009256), (48, 419174380), (60, 335339504), (64, 314380785), (80, 251504628), (96, 209587190), (120, 167669752), (160, 125752314), (192, 104793595), (240, 83834876), (320, 62876157), (480, 41917438), (960, 20958719)]