20744136

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:619

約数の個数: 96

約数和(自身を含む): 65145600

約数和(自身を除く): 44401464

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 79, 84, 126, 158, 168, 237, 252, 316, 474, 504, 521, 553, 632, 711, 948, 1042, 1106, 1422, 1563, 1659, 1896, 2084, 2212, 2844, 3126, 3318, 3647, 4168, 4424, 4689, 4977, 5688, 6252, 6636, 7294, 9378, 9954, 10941, 12504, 13272, 14588, 18756, 19908, 21882, 29176, 32823, 37512, 39816, 41159, 43764, 65646, 82318, 87528, 123477, 131292, 164636, 246954, 262584, 288113, 329272, 370431, 493908, 576226, 740862, 864339, 987816, 1152452, 1481724, 1728678, 2304904, 2593017, 2963448, 3457356, 5186034, 6914712, 10372068, 20744136]

約数ペア:

[(1, 20744136), (2, 10372068), (3, 6914712), (4, 5186034), (6, 3457356), (7, 2963448), (8, 2593017), (9, 2304904), (12, 1728678), (14, 1481724), (18, 1152452), (21, 987816), (24, 864339), (28, 740862), (36, 576226), (42, 493908), (56, 370431), (63, 329272), (72, 288113), (79, 262584), (84, 246954), (126, 164636), (158, 131292), (168, 123477), (237, 87528), (252, 82318), (316, 65646), (474, 43764), (504, 41159), (521, 39816), (553, 37512), (632, 32823), (711, 29176), (948, 21882), (1042, 19908), (1106, 18756), (1422, 14588), (1563, 13272), (1659, 12504), (1896, 10941), (2084, 9954), (2212, 9378), (2844, 7294), (3126, 6636), (3318, 6252), (3647, 5688), (4168, 4977), (4424, 4689)]