20280491330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{661}}^1\times {\mathrm{6803}}^1$

素因数の和:7523

約数の個数: 64

約数和(自身を含む): 40862537856

約数和(自身を除く): 20582046526

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 661, 902, 1322, 2255, 3305, 4510, 6610, 6803, 7271, 13606, 14542, 27101, 34015, 36355, 54202, 68030, 72710, 74833, 135505, 149666, 271010, 278923, 298111, 374165, 557846, 596222, 748330, 1394615, 1490555, 2789230, 2981110, 3068153, 4496783, 6136306, 8993566, 15340765, 22483915, 30681530, 44967830, 49464613, 98929226, 184368103, 247323065, 368736206, 494646130, 921840515, 1843681030, 2028049133, 4056098266, 10140245665, 20280491330]

約数ペア:

[(1, 20280491330), (2, 10140245665), (5, 4056098266), (10, 2028049133), (11, 1843681030), (22, 921840515), (41, 494646130), (55, 368736206), (82, 247323065), (110, 184368103), (205, 98929226), (410, 49464613), (451, 44967830), (661, 30681530), (902, 22483915), (1322, 15340765), (2255, 8993566), (3305, 6136306), (4510, 4496783), (6610, 3068153), (6803, 2981110), (7271, 2789230), (13606, 1490555), (14542, 1394615), (27101, 748330), (34015, 596222), (36355, 557846), (54202, 374165), (68030, 298111), (72710, 278923), (74833, 271010), (135505, 149666)]