20854792185

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{587}}^1$

素因数の和:767

約数の個数: 128

約数和(自身を含む): 37309870080

約数和(自身を除く): 16455077895

約数列:

[1, 3, 5, 15, 23, 29, 53, 67, 69, 87, 115, 145, 159, 201, 265, 335, 345, 435, 587, 667, 795, 1005, 1219, 1537, 1541, 1761, 1943, 2001, 2935, 3335, 3551, 3657, 4611, 4623, 5829, 6095, 7685, 7705, 8805, 9715, 10005, 10653, 13501, 17023, 17755, 18285, 23055, 23115, 29145, 31111, 35351, 39329, 40503, 44689, 51069, 53265, 67505, 81673, 85115, 93333, 102979, 106053, 117987, 134067, 155555, 176755, 196645, 202515, 223445, 245019, 255345, 308937, 391529, 408365, 466665, 514895, 530265, 589935, 670335, 715553, 902219, 904567, 1140541, 1174587, 1225095, 1544685, 1957645, 2084437, 2146659, 2368517, 2706657, 2713701, 3421623, 3577765, 4511095, 4522835, 5702705, 5872935, 6253311, 7105551, 10422185, 10733295, 11842585, 13533285, 13568505, 17108115, 20751037, 26232443, 31266555, 35527755, 47942051, 60448673, 62253111, 78697329, 103755185, 131162215, 143826153, 181346019, 239710255, 302243365, 311265555, 393486645, 719130765, 906730095, 1390319479, 4170958437, 6951597395, 20854792185]

約数ペア:

[(1, 20854792185), (3, 6951597395), (5, 4170958437), (15, 1390319479), (23, 906730095), (29, 719130765), (53, 393486645), (67, 311265555), (69, 302243365), (87, 239710255), (115, 181346019), (145, 143826153), (159, 131162215), (201, 103755185), (265, 78697329), (335, 62253111), (345, 60448673), (435, 47942051), (587, 35527755), (667, 31266555), (795, 26232443), (1005, 20751037), (1219, 17108115), (1537, 13568505), (1541, 13533285), (1761, 11842585), (1943, 10733295), (2001, 10422185), (2935, 7105551), (3335, 6253311), (3551, 5872935), (3657, 5702705), (4611, 4522835), (4623, 4511095), (5829, 3577765), (6095, 3421623), (7685, 2713701), (7705, 2706657), (8805, 2368517), (9715, 2146659), (10005, 2084437), (10653, 1957645), (13501, 1544685), (17023, 1225095), (17755, 1174587), (18285, 1140541), (23055, 904567), (23115, 902219), (29145, 715553), (31111, 670335), (35351, 589935), (39329, 530265), (40503, 514895), (44689, 466665), (51069, 408365), (53265, 391529), (67505, 308937), (81673, 255345), (85115, 245019), (93333, 223445), (102979, 202515), (106053, 196645), (117987, 176755), (134067, 155555)]