20123849988

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{146449}}^1$

素因数の和:146817

約数の個数: 72

約数和(自身を含む): 55653343200

約数和(自身を除く): 35529493212

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 347, 396, 694, 1041, 1388, 2082, 3123, 3817, 4164, 6246, 7634, 11451, 12492, 15268, 22902, 34353, 45804, 68706, 137412, 146449, 292898, 439347, 585796, 878694, 1318041, 1610939, 1757388, 2636082, 3221878, 4832817, 5272164, 6443756, 9665634, 14498451, 19331268, 28996902, 50817803, 57993804, 101635606, 152453409, 203271212, 304906818, 457360227, 558995833, 609813636, 914720454, 1117991666, 1676987499, 1829440908, 2235983332, 3353974998, 5030962497, 6707949996, 10061924994, 20123849988]

約数ペア:

[(1, 20123849988), (2, 10061924994), (3, 6707949996), (4, 5030962497), (6, 3353974998), (9, 2235983332), (11, 1829440908), (12, 1676987499), (18, 1117991666), (22, 914720454), (33, 609813636), (36, 558995833), (44, 457360227), (66, 304906818), (99, 203271212), (132, 152453409), (198, 101635606), (347, 57993804), (396, 50817803), (694, 28996902), (1041, 19331268), (1388, 14498451), (2082, 9665634), (3123, 6443756), (3817, 5272164), (4164, 4832817), (6246, 3221878), (7634, 2636082), (11451, 1757388), (12492, 1610939), (15268, 1318041), (22902, 878694), (34353, 585796), (45804, 439347), (68706, 292898), (137412, 146449)]