20129384030

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{290761}}^1$

素因数の和:290841

約数の個数: 64

約数和(自身を含む): 44214432768

約数和(自身を除く): 24085048738

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 43, 46, 70, 86, 115, 161, 215, 230, 301, 322, 430, 602, 805, 989, 1505, 1610, 1978, 3010, 4945, 6923, 9890, 13846, 34615, 69230, 290761, 581522, 1453805, 2035327, 2907610, 4070654, 6687503, 10176635, 12502723, 13375006, 20353270, 25005446, 33437515, 46812521, 62513615, 66875030, 87519061, 93625042, 125027230, 175038122, 234062605, 287562629, 437595305, 468125210, 575125258, 875190610, 1437813145, 2012938403, 2875626290, 4025876806, 10064692015, 20129384030]

約数ペア:

[(1, 20129384030), (2, 10064692015), (5, 4025876806), (7, 2875626290), (10, 2012938403), (14, 1437813145), (23, 875190610), (35, 575125258), (43, 468125210), (46, 437595305), (70, 287562629), (86, 234062605), (115, 175038122), (161, 125027230), (215, 93625042), (230, 87519061), (301, 66875030), (322, 62513615), (430, 46812521), (602, 33437515), (805, 25005446), (989, 20353270), (1505, 13375006), (1610, 12502723), (1978, 10176635), (3010, 6687503), (4945, 4070654), (6923, 2907610), (9890, 2035327), (13846, 1453805), (34615, 581522), (69230, 290761)]