20138163790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{42719}}^1$

素因数の和:42849

約数の個数: 64

約数和(自身を含む): 39862886400

約数和(自身を除く): 19724722610

約数列:

[1, 2, 5, 10, 17, 34, 47, 59, 85, 94, 118, 170, 235, 295, 470, 590, 799, 1003, 1598, 2006, 2773, 3995, 5015, 5546, 7990, 10030, 13865, 27730, 42719, 47141, 85438, 94282, 213595, 235705, 427190, 471410, 726223, 1452446, 2007793, 2520421, 3631115, 4015586, 5040842, 7262230, 10038965, 12602105, 20077930, 25204210, 34132481, 42847157, 68264962, 85694314, 118459787, 170662405, 214235785, 236919574, 341324810, 428471570, 592298935, 1184597870, 2013816379, 4027632758, 10069081895, 20138163790]

約数ペア:

[(1, 20138163790), (2, 10069081895), (5, 4027632758), (10, 2013816379), (17, 1184597870), (34, 592298935), (47, 428471570), (59, 341324810), (85, 236919574), (94, 214235785), (118, 170662405), (170, 118459787), (235, 85694314), (295, 68264962), (470, 42847157), (590, 34132481), (799, 25204210), (1003, 20077930), (1598, 12602105), (2006, 10038965), (2773, 7262230), (3995, 5040842), (5015, 4015586), (5546, 3631115), (7990, 2520421), (10030, 2007793), (13865, 1452446), (27730, 726223), (42719, 471410), (47141, 427190), (85438, 235705), (94282, 213595)]