20696964

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:161

約数の個数: 96

約数和(自身を含む): 54190080

約数和(自身を除く): 33493116

約数列:

[1, 2, 3, 4, 6, 12, 23, 31, 41, 46, 59, 62, 69, 82, 92, 93, 118, 123, 124, 138, 164, 177, 186, 236, 246, 276, 354, 372, 492, 708, 713, 943, 1271, 1357, 1426, 1829, 1886, 2139, 2419, 2542, 2714, 2829, 2852, 3658, 3772, 3813, 4071, 4278, 4838, 5084, 5428, 5487, 5658, 7257, 7316, 7626, 8142, 8556, 9676, 10974, 11316, 14514, 15252, 16284, 21948, 29028, 29233, 42067, 55637, 58466, 74989, 84134, 87699, 111274, 116932, 126201, 149978, 166911, 168268, 175398, 222548, 224967, 252402, 299956, 333822, 350796, 449934, 504804, 667644, 899868, 1724747, 3449494, 5174241, 6898988, 10348482, 20696964]

約数ペア:

[(1, 20696964), (2, 10348482), (3, 6898988), (4, 5174241), (6, 3449494), (12, 1724747), (23, 899868), (31, 667644), (41, 504804), (46, 449934), (59, 350796), (62, 333822), (69, 299956), (82, 252402), (92, 224967), (93, 222548), (118, 175398), (123, 168268), (124, 166911), (138, 149978), (164, 126201), (177, 116932), (186, 111274), (236, 87699), (246, 84134), (276, 74989), (354, 58466), (372, 55637), (492, 42067), (708, 29233), (713, 29028), (943, 21948), (1271, 16284), (1357, 15252), (1426, 14514), (1829, 11316), (1886, 10974), (2139, 9676), (2419, 8556), (2542, 8142), (2714, 7626), (2829, 7316), (2852, 7257), (3658, 5658), (3772, 5487), (3813, 5428), (4071, 5084), (4278, 4838)]