20136403791

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1231}}^1$

素因数の和:1394

約数の個数: 128

約数和(自身を含む): 36787322880

約数和(自身を除く): 16650919089

約数列:

[1, 3, 7, 9, 21, 23, 27, 53, 63, 69, 71, 159, 161, 189, 207, 213, 371, 477, 483, 497, 621, 639, 1113, 1219, 1231, 1431, 1449, 1491, 1633, 1917, 3339, 3657, 3693, 3763, 4347, 4473, 4899, 8533, 8617, 10017, 10971, 11079, 11289, 11431, 13419, 14697, 25599, 25851, 26341, 28313, 32913, 33237, 33867, 34293, 44091, 65243, 76797, 77553, 79023, 84939, 86549, 87401, 101601, 102879, 195729, 198191, 230391, 232659, 237069, 254817, 259647, 262203, 308637, 456701, 587187, 594573, 605843, 611807, 711207, 764451, 778941, 786609, 1370103, 1500589, 1761561, 1783719, 1817529, 1835421, 2010223, 2336823, 2359827, 4110309, 4501767, 4632253, 5351157, 5452587, 5506263, 6030669, 10504123, 12330927, 13505301, 13896759, 14071561, 16357761, 16518789, 18092007, 31512369, 32425771, 40515903, 41690277, 42214683, 54276021, 94537107, 97277313, 106541819, 125070831, 126644049, 283611321, 291831939, 319625457, 379932147, 745792733, 875495817, 958876371, 2237378199, 2876629113, 6712134597, 20136403791]

約数ペア:

[(1, 20136403791), (3, 6712134597), (7, 2876629113), (9, 2237378199), (21, 958876371), (23, 875495817), (27, 745792733), (53, 379932147), (63, 319625457), (69, 291831939), (71, 283611321), (159, 126644049), (161, 125070831), (189, 106541819), (207, 97277313), (213, 94537107), (371, 54276021), (477, 42214683), (483, 41690277), (497, 40515903), (621, 32425771), (639, 31512369), (1113, 18092007), (1219, 16518789), (1231, 16357761), (1431, 14071561), (1449, 13896759), (1491, 13505301), (1633, 12330927), (1917, 10504123), (3339, 6030669), (3657, 5506263), (3693, 5452587), (3763, 5351157), (4347, 4632253), (4473, 4501767), (4899, 4110309), (8533, 2359827), (8617, 2336823), (10017, 2010223), (10971, 1835421), (11079, 1817529), (11289, 1783719), (11431, 1761561), (13419, 1500589), (14697, 1370103), (25599, 786609), (25851, 778941), (26341, 764451), (28313, 711207), (32913, 611807), (33237, 605843), (33867, 594573), (34293, 587187), (44091, 456701), (65243, 308637), (76797, 262203), (77553, 259647), (79023, 254817), (84939, 237069), (86549, 232659), (87401, 230391), (101601, 198191), (102879, 195729)]