20146780955

素因数分解:

$5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{647}}^1\times {\mathrm{853}}^1$

素因数の和:1668

約数の個数: 48

約数和(自身を含む): 28389009600

約数和(自身を除く): 8242228645

約数列:

[1, 5, 7, 35, 49, 149, 245, 647, 745, 853, 1043, 3235, 4265, 4529, 5215, 5971, 7301, 22645, 29855, 31703, 36505, 41797, 96403, 127097, 158515, 208985, 482015, 551891, 635485, 674821, 889679, 2759455, 3374105, 3863237, 4448395, 4723747, 6227753, 19316185, 23618735, 27042659, 31138765, 82231759, 135213295, 411158795, 575622313, 2878111565, 4029356191, 20146780955]

約数ペア:

[(1, 20146780955), (5, 4029356191), (7, 2878111565), (35, 575622313), (49, 411158795), (149, 135213295), (245, 82231759), (647, 31138765), (745, 27042659), (853, 23618735), (1043, 19316185), (3235, 6227753), (4265, 4723747), (4529, 4448395), (5215, 3863237), (5971, 3374105), (7301, 2759455), (22645, 889679), (29855, 674821), (31703, 635485), (36505, 551891), (41797, 482015), (96403, 208985), (127097, 158515)]