20175292670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{137}}^1\times {\mathrm{6703}}^1$

素因数の和:6886

約数の個数: 64

約数和(自身を含む): 39633511680

約数和(自身を除く): 19458219010

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 137, 169, 274, 338, 685, 845, 1370, 1690, 1781, 2197, 3562, 4394, 6703, 8905, 10985, 13406, 17810, 21970, 23153, 33515, 46306, 67030, 87139, 115765, 174278, 231530, 300989, 435695, 601978, 871390, 918311, 1132807, 1504945, 1836622, 2265614, 3009890, 4591555, 5664035, 9183110, 11328070, 11938043, 14726491, 23876086, 29452982, 59690215, 73632455, 119380430, 147264910, 155194559, 310389118, 775972795, 1551945590, 2017529267, 4035058534, 10087646335, 20175292670]

約数ペア:

[(1, 20175292670), (2, 10087646335), (5, 4035058534), (10, 2017529267), (13, 1551945590), (26, 775972795), (65, 310389118), (130, 155194559), (137, 147264910), (169, 119380430), (274, 73632455), (338, 59690215), (685, 29452982), (845, 23876086), (1370, 14726491), (1690, 11938043), (1781, 11328070), (2197, 9183110), (3562, 5664035), (4394, 4591555), (6703, 3009890), (8905, 2265614), (10985, 1836622), (13406, 1504945), (17810, 1132807), (21970, 918311), (23153, 871390), (33515, 601978), (46306, 435695), (67030, 300989), (87139, 231530), (115765, 174278)]