20123258320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{20183}}^1$

素因数の和:20321

約数の個数: 120

約数和(自身を含む): 51928426368

約数和(自身を除く): 31805168048

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 103, 110, 121, 176, 206, 220, 242, 412, 440, 484, 515, 605, 824, 880, 968, 1030, 1133, 1210, 1648, 1936, 2060, 2266, 2420, 4120, 4532, 4840, 5665, 8240, 9064, 9680, 11330, 12463, 18128, 20183, 22660, 24926, 40366, 45320, 49852, 62315, 80732, 90640, 99704, 100915, 124630, 161464, 199408, 201830, 222013, 249260, 322928, 403660, 444026, 498520, 807320, 888052, 997040, 1110065, 1614640, 1776104, 2078849, 2220130, 2442143, 3552208, 4157698, 4440260, 4884286, 8315396, 8880520, 9768572, 10394245, 12210715, 16630792, 17761040, 19537144, 20788490, 22867339, 24421430, 33261584, 39074288, 41576980, 45734678, 48842860, 83153960, 91469356, 97685720, 114336695, 166307920, 182938712, 195371440, 228673390, 251540729, 365877424, 457346780, 503081458, 914693560, 1006162916, 1257703645, 1829387120, 2012325832, 2515407290, 4024651664, 5030814580, 10061629160, 20123258320]

約数ペア:

[(1, 20123258320), (2, 10061629160), (4, 5030814580), (5, 4024651664), (8, 2515407290), (10, 2012325832), (11, 1829387120), (16, 1257703645), (20, 1006162916), (22, 914693560), (40, 503081458), (44, 457346780), (55, 365877424), (80, 251540729), (88, 228673390), (103, 195371440), (110, 182938712), (121, 166307920), (176, 114336695), (206, 97685720), (220, 91469356), (242, 83153960), (412, 48842860), (440, 45734678), (484, 41576980), (515, 39074288), (605, 33261584), (824, 24421430), (880, 22867339), (968, 20788490), (1030, 19537144), (1133, 17761040), (1210, 16630792), (1648, 12210715), (1936, 10394245), (2060, 9768572), (2266, 8880520), (2420, 8315396), (4120, 4884286), (4532, 4440260), (4840, 4157698), (5665, 3552208), (8240, 2442143), (9064, 2220130), (9680, 2078849), (11330, 1776104), (12463, 1614640), (18128, 1110065), (20183, 997040), (22660, 888052), (24926, 807320), (40366, 498520), (45320, 444026), (49852, 403660), (62315, 322928), (80732, 249260), (90640, 222013), (99704, 201830), (100915, 199408), (124630, 161464)]