20157361900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1523}}^1\times {\mathrm{10181}}^1$

素因数の和:11731

約数の個数: 72

約数和(自身を含む): 47141763984

約数和(自身を除く): 26984402084

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 1523, 3046, 6092, 7615, 10181, 15230, 19799, 20362, 30460, 38075, 39598, 40724, 50905, 76150, 79196, 98995, 101810, 132353, 152300, 197990, 203620, 254525, 264706, 395980, 494975, 509050, 529412, 661765, 989950, 1018100, 1323530, 1979900, 2647060, 3308825, 6617650, 13235300, 15505663, 31011326, 62022652, 77528315, 155056630, 201573619, 310113260, 387641575, 403147238, 775283150, 806294476, 1007868095, 1550566300, 2015736190, 4031472380, 5039340475, 10078680950, 20157361900]

約数ペア:

[(1, 20157361900), (2, 10078680950), (4, 5039340475), (5, 4031472380), (10, 2015736190), (13, 1550566300), (20, 1007868095), (25, 806294476), (26, 775283150), (50, 403147238), (52, 387641575), (65, 310113260), (100, 201573619), (130, 155056630), (260, 77528315), (325, 62022652), (650, 31011326), (1300, 15505663), (1523, 13235300), (3046, 6617650), (6092, 3308825), (7615, 2647060), (10181, 1979900), (15230, 1323530), (19799, 1018100), (20362, 989950), (30460, 661765), (38075, 529412), (39598, 509050), (40724, 494975), (50905, 395980), (76150, 264706), (79196, 254525), (98995, 203620), (101810, 197990), (132353, 152300)]