20168703940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{80347}}^1$

素因数の和:80537

約数の個数: 96

約数和(自身を含む): 53129954304

約数和(自身を除く): 32961250364

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 163, 220, 308, 326, 385, 652, 770, 815, 1141, 1540, 1630, 1793, 2282, 3260, 3586, 4564, 5705, 7172, 8965, 11410, 12551, 17930, 22820, 25102, 35860, 50204, 62755, 80347, 125510, 160694, 251020, 321388, 401735, 562429, 803470, 883817, 1124858, 1606940, 1767634, 2249716, 2812145, 3535268, 4419085, 5624290, 6186719, 8838170, 11248580, 12373438, 13096561, 17676340, 24746876, 26193122, 30933595, 52386244, 61867190, 65482805, 91675927, 123734380, 130965610, 144062171, 183351854, 261931220, 288124342, 366703708, 458379635, 576248684, 720310855, 916759270, 1008435197, 1440621710, 1833518540, 2016870394, 2881243420, 4033740788, 5042175985, 10084351970, 20168703940]

約数ペア:

[(1, 20168703940), (2, 10084351970), (4, 5042175985), (5, 4033740788), (7, 2881243420), (10, 2016870394), (11, 1833518540), (14, 1440621710), (20, 1008435197), (22, 916759270), (28, 720310855), (35, 576248684), (44, 458379635), (55, 366703708), (70, 288124342), (77, 261931220), (110, 183351854), (140, 144062171), (154, 130965610), (163, 123734380), (220, 91675927), (308, 65482805), (326, 61867190), (385, 52386244), (652, 30933595), (770, 26193122), (815, 24746876), (1141, 17676340), (1540, 13096561), (1630, 12373438), (1793, 11248580), (2282, 8838170), (3260, 6186719), (3586, 5624290), (4564, 4419085), (5705, 3535268), (7172, 2812145), (8965, 2249716), (11410, 1767634), (12551, 1606940), (17930, 1124858), (22820, 883817), (25102, 803470), (35860, 562429), (50204, 401735), (62755, 321388), (80347, 251020), (125510, 160694)]