20078261502

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1\times {\mathrm{887}}^1$

素因数の和:1362

約数の個数: 128

約数和(自身を含む): 47025183744

約数和(自身を除く): 26946922242

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 43, 51, 78, 86, 102, 129, 221, 258, 397, 442, 559, 663, 731, 794, 887, 1118, 1191, 1326, 1462, 1677, 1774, 2193, 2382, 2661, 3354, 4386, 5161, 5322, 6749, 9503, 10322, 11531, 13498, 15079, 15483, 17071, 19006, 20247, 23062, 28509, 30158, 30966, 34142, 34593, 38141, 40494, 45237, 51213, 57018, 69186, 76282, 87737, 90474, 102426, 114423, 175474, 196027, 221923, 228846, 263211, 290207, 352139, 392054, 443846, 495833, 526422, 580414, 588081, 648397, 665769, 704278, 870621, 991666, 1056417, 1176162, 1296794, 1331538, 1487499, 1741242, 1945191, 2112834, 2974998, 3772691, 3890382, 4577807, 5986363, 7545382, 8429161, 9155614, 11318073, 11972726, 13733421, 15141977, 16858322, 17959089, 22636146, 25287483, 27466842, 30283954, 35918178, 45425931, 50574966, 77822719, 90851862, 155645438, 196845701, 233468157, 257413609, 393691402, 466936314, 514827218, 590537103, 772240827, 1181074206, 1544481654, 3346376917, 6692753834, 10039130751, 20078261502]

約数ペア:

[(1, 20078261502), (2, 10039130751), (3, 6692753834), (6, 3346376917), (13, 1544481654), (17, 1181074206), (26, 772240827), (34, 590537103), (39, 514827218), (43, 466936314), (51, 393691402), (78, 257413609), (86, 233468157), (102, 196845701), (129, 155645438), (221, 90851862), (258, 77822719), (397, 50574966), (442, 45425931), (559, 35918178), (663, 30283954), (731, 27466842), (794, 25287483), (887, 22636146), (1118, 17959089), (1191, 16858322), (1326, 15141977), (1462, 13733421), (1677, 11972726), (1774, 11318073), (2193, 9155614), (2382, 8429161), (2661, 7545382), (3354, 5986363), (4386, 4577807), (5161, 3890382), (5322, 3772691), (6749, 2974998), (9503, 2112834), (10322, 1945191), (11531, 1741242), (13498, 1487499), (15079, 1331538), (15483, 1296794), (17071, 1176162), (19006, 1056417), (20247, 991666), (23062, 870621), (28509, 704278), (30158, 665769), (30966, 648397), (34142, 588081), (34593, 580414), (38141, 526422), (40494, 495833), (45237, 443846), (51213, 392054), (57018, 352139), (69186, 290207), (76282, 263211), (87737, 228846), (90474, 221923), (102426, 196027), (114423, 175474)]