20097090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:308

約数の個数: 96

約数和(自身を含む): 57198960

約数和(自身を除く): 37101870

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 89, 90, 117, 130, 178, 193, 195, 234, 267, 386, 390, 445, 534, 579, 585, 801, 890, 965, 1157, 1158, 1170, 1335, 1602, 1737, 1930, 2314, 2509, 2670, 2895, 3471, 3474, 4005, 5018, 5785, 5790, 6942, 7527, 8010, 8685, 10413, 11570, 12545, 15054, 17177, 17355, 17370, 20826, 22581, 25090, 34354, 34710, 37635, 45162, 51531, 52065, 75270, 85885, 103062, 104130, 112905, 154593, 171770, 223301, 225810, 257655, 309186, 446602, 515310, 669903, 772965, 1116505, 1339806, 1545930, 2009709, 2233010, 3349515, 4019418, 6699030, 10048545, 20097090]

約数ペア:

[(1, 20097090), (2, 10048545), (3, 6699030), (5, 4019418), (6, 3349515), (9, 2233010), (10, 2009709), (13, 1545930), (15, 1339806), (18, 1116505), (26, 772965), (30, 669903), (39, 515310), (45, 446602), (65, 309186), (78, 257655), (89, 225810), (90, 223301), (117, 171770), (130, 154593), (178, 112905), (193, 104130), (195, 103062), (234, 85885), (267, 75270), (386, 52065), (390, 51531), (445, 45162), (534, 37635), (579, 34710), (585, 34354), (801, 25090), (890, 22581), (965, 20826), (1157, 17370), (1158, 17355), (1170, 17177), (1335, 15054), (1602, 12545), (1737, 11570), (1930, 10413), (2314, 8685), (2509, 8010), (2670, 7527), (2895, 6942), (3471, 5790), (3474, 5785), (4005, 5018)]