20655090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:336

約数の個数: 96

約数和(自身を含む): 57957120

約数和(自身を除く): 37302030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 47, 57, 90, 94, 95, 114, 141, 171, 190, 235, 257, 282, 285, 342, 423, 470, 514, 570, 705, 771, 846, 855, 893, 1285, 1410, 1542, 1710, 1786, 2115, 2313, 2570, 2679, 3855, 4230, 4465, 4626, 4883, 5358, 7710, 8037, 8930, 9766, 11565, 12079, 13395, 14649, 16074, 23130, 24158, 24415, 26790, 29298, 36237, 40185, 43947, 48830, 60395, 72474, 73245, 80370, 87894, 108711, 120790, 146490, 181185, 217422, 219735, 229501, 362370, 439470, 459002, 543555, 688503, 1087110, 1147505, 1377006, 2065509, 2295010, 3442515, 4131018, 6885030, 10327545, 20655090]

約数ペア:

[(1, 20655090), (2, 10327545), (3, 6885030), (5, 4131018), (6, 3442515), (9, 2295010), (10, 2065509), (15, 1377006), (18, 1147505), (19, 1087110), (30, 688503), (38, 543555), (45, 459002), (47, 439470), (57, 362370), (90, 229501), (94, 219735), (95, 217422), (114, 181185), (141, 146490), (171, 120790), (190, 108711), (235, 87894), (257, 80370), (282, 73245), (285, 72474), (342, 60395), (423, 48830), (470, 43947), (514, 40185), (570, 36237), (705, 29298), (771, 26790), (846, 24415), (855, 24158), (893, 23130), (1285, 16074), (1410, 14649), (1542, 13395), (1710, 12079), (1786, 11565), (2115, 9766), (2313, 8930), (2570, 8037), (2679, 7710), (3855, 5358), (4230, 4883), (4465, 4626)]