20781690420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{109159}}^1$

素因数の和:109357

約数の個数: 96

約数和(自身を含む): 61618636800

約数和(自身を除く): 40836946380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 167, 190, 228, 285, 334, 380, 501, 570, 668, 835, 1002, 1140, 1670, 2004, 2505, 3173, 3340, 5010, 6346, 9519, 10020, 12692, 15865, 19038, 31730, 38076, 47595, 63460, 95190, 109159, 190380, 218318, 327477, 436636, 545795, 654954, 1091590, 1309908, 1637385, 2074021, 2183180, 3274770, 4148042, 6222063, 6549540, 8296084, 10370105, 12444126, 18229553, 20740210, 24888252, 31110315, 36459106, 41480420, 54688659, 62220630, 72918212, 91147765, 109377318, 124441260, 182295530, 218754636, 273443295, 346361507, 364591060, 546886590, 692723014, 1039084521, 1093773180, 1385446028, 1731807535, 2078169042, 3463615070, 4156338084, 5195422605, 6927230140, 10390845210, 20781690420]

約数ペア:

[(1, 20781690420), (2, 10390845210), (3, 6927230140), (4, 5195422605), (5, 4156338084), (6, 3463615070), (10, 2078169042), (12, 1731807535), (15, 1385446028), (19, 1093773180), (20, 1039084521), (30, 692723014), (38, 546886590), (57, 364591060), (60, 346361507), (76, 273443295), (95, 218754636), (114, 182295530), (167, 124441260), (190, 109377318), (228, 91147765), (285, 72918212), (334, 62220630), (380, 54688659), (501, 41480420), (570, 36459106), (668, 31110315), (835, 24888252), (1002, 20740210), (1140, 18229553), (1670, 12444126), (2004, 10370105), (2505, 8296084), (3173, 6549540), (3340, 6222063), (5010, 4148042), (6346, 3274770), (9519, 2183180), (10020, 2074021), (12692, 1637385), (15865, 1309908), (19038, 1091590), (31730, 654954), (38076, 545795), (47595, 436636), (63460, 327477), (95190, 218318), (109159, 190380)]