20941626810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{72661}}^1$

素因数の和:73423

約数の個数: 64

約数和(自身を含む): 54200039040

約数和(自身を除く): 33258412230

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 739, 1478, 2217, 3695, 4434, 7390, 9607, 11085, 19214, 22170, 28821, 48035, 57642, 72661, 96070, 144105, 145322, 217983, 288210, 363305, 435966, 726610, 944593, 1089915, 1889186, 2179830, 2833779, 4722965, 5667558, 9445930, 14168895, 28337790, 53696479, 107392958, 161089437, 268482395, 322178874, 536964790, 698054227, 805447185, 1396108454, 1610894370, 2094162681, 3490271135, 4188325362, 6980542270, 10470813405, 20941626810]

約数ペア:

[(1, 20941626810), (2, 10470813405), (3, 6980542270), (5, 4188325362), (6, 3490271135), (10, 2094162681), (13, 1610894370), (15, 1396108454), (26, 805447185), (30, 698054227), (39, 536964790), (65, 322178874), (78, 268482395), (130, 161089437), (195, 107392958), (390, 53696479), (739, 28337790), (1478, 14168895), (2217, 9445930), (3695, 5667558), (4434, 4722965), (7390, 2833779), (9607, 2179830), (11085, 1889186), (19214, 1089915), (22170, 944593), (28821, 726610), (48035, 435966), (57642, 363305), (72661, 288210), (96070, 217983), (144105, 145322)]