20851550088

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{354763}}^1$

素因数の和:354882

約数の個数: 64

約数和(自身を含む): 54491750400

約数和(自身を除く): 33640200312

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 79, 93, 124, 158, 186, 237, 248, 316, 372, 474, 632, 744, 948, 1896, 2449, 4898, 7347, 9796, 14694, 19592, 29388, 58776, 354763, 709526, 1064289, 1419052, 2128578, 2838104, 4257156, 8514312, 10997653, 21995306, 28026277, 32992959, 43990612, 56052554, 65985918, 84078831, 87981224, 112105108, 131971836, 168157662, 224210216, 263943672, 336315324, 672630648, 868814587, 1737629174, 2606443761, 3475258348, 5212887522, 6950516696, 10425775044, 20851550088]

約数ペア:

[(1, 20851550088), (2, 10425775044), (3, 6950516696), (4, 5212887522), (6, 3475258348), (8, 2606443761), (12, 1737629174), (24, 868814587), (31, 672630648), (62, 336315324), (79, 263943672), (93, 224210216), (124, 168157662), (158, 131971836), (186, 112105108), (237, 87981224), (248, 84078831), (316, 65985918), (372, 56052554), (474, 43990612), (632, 32992959), (744, 28026277), (948, 21995306), (1896, 10997653), (2449, 8514312), (4898, 4257156), (7347, 2838104), (9796, 2128578), (14694, 1419052), (19592, 1064289), (29388, 709526), (58776, 354763)]