20165096415

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{359}}^1\times {\mathrm{443}}^1$

素因数の和:996

約数の個数: 64

約数和(自身を含む): 33144422400

約数和(自身を除く): 12979325985

約数列:

[1, 3, 5, 15, 79, 107, 237, 321, 359, 395, 443, 535, 1077, 1185, 1329, 1605, 1795, 2215, 5385, 6645, 8453, 25359, 28361, 34997, 38413, 42265, 47401, 85083, 104991, 115239, 126795, 141805, 142203, 159037, 174985, 192065, 237005, 425415, 477111, 524955, 576195, 711015, 795185, 2385555, 3034627, 3744679, 9103881, 11234037, 12563923, 15173135, 17016959, 18723395, 37691769, 45519405, 51050877, 56170185, 62819615, 85084795, 188458845, 255254385, 1344339761, 4033019283, 6721698805, 20165096415]

約数ペア:

[(1, 20165096415), (3, 6721698805), (5, 4033019283), (15, 1344339761), (79, 255254385), (107, 188458845), (237, 85084795), (321, 62819615), (359, 56170185), (395, 51050877), (443, 45519405), (535, 37691769), (1077, 18723395), (1185, 17016959), (1329, 15173135), (1605, 12563923), (1795, 11234037), (2215, 9103881), (5385, 3744679), (6645, 3034627), (8453, 2385555), (25359, 795185), (28361, 711015), (34997, 576195), (38413, 524955), (42265, 477111), (47401, 425415), (85083, 237005), (104991, 192065), (115239, 174985), (126795, 159037), (141805, 142203)]