20165069820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{48012071}}^1$

素因数の和:48012090

約数の個数: 48

約数和(自身を含む): 64528224768

約数和(自身を除く): 44363154948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 48012071, 96024142, 144036213, 192048284, 240060355, 288072426, 336084497, 480120710, 576144852, 672168994, 720181065, 960241420, 1008253491, 1344337988, 1440362130, 1680422485, 2016506982, 2880724260, 3360844970, 4033013964, 5041267455, 6721689940, 10082534910, 20165069820]

約数ペア:

[(1, 20165069820), (2, 10082534910), (3, 6721689940), (4, 5041267455), (5, 4033013964), (6, 3360844970), (7, 2880724260), (10, 2016506982), (12, 1680422485), (14, 1440362130), (15, 1344337988), (20, 1008253491), (21, 960241420), (28, 720181065), (30, 672168994), (35, 576144852), (42, 480120710), (60, 336084497), (70, 288072426), (84, 240060355), (105, 192048284), (140, 144036213), (210, 96024142), (420, 48012071)]