20889011640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{311}}^1\times {\mathrm{11423}}^1$

素因数の和:11762

約数の個数: 192

約数和(自身を含む): 73139189760

約数和(自身を除く): 52250178120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 311, 392, 420, 490, 588, 622, 735, 840, 933, 980, 1176, 1244, 1470, 1555, 1866, 1960, 2177, 2488, 2940, 3110, 3732, 4354, 4665, 5880, 6220, 6531, 7464, 8708, 9330, 10885, 11423, 12440, 13062, 15239, 17416, 18660, 21770, 22846, 26124, 30478, 32655, 34269, 37320, 43540, 45692, 45717, 52248, 57115, 60956, 65310, 68538, 76195, 79961, 87080, 91384, 91434, 114230, 121912, 130620, 137076, 152390, 159922, 171345, 182868, 228460, 228585, 239883, 261240, 274152, 304780, 319844, 342690, 365736, 399805, 456920, 457170, 479766, 559727, 609560, 639688, 685380, 799610, 914340, 959532, 1119454, 1199415, 1370760, 1599220, 1679181, 1828680, 1919064, 2238908, 2398830, 2798635, 3198440, 3358362, 3552553, 4477816, 4797660, 5597270, 6716724, 7105106, 8395905, 9595320, 10657659, 11194540, 13433448, 14210212, 16791810, 17762765, 21315318, 22389080, 24867871, 28420424, 33583620, 35525530, 42630636, 49735742, 53288295, 67167240, 71051060, 74603613, 85261272, 99471484, 106576590, 124339355, 142102120, 149207226, 174075097, 198942968, 213153180, 248678710, 298414452, 348150194, 373018065, 426306360, 497357420, 522225291, 596828904, 696300388, 746036130, 870375485, 994714840, 1044450582, 1392600776, 1492072260, 1740750970, 2088901164, 2611126455, 2984144520, 3481501940, 4177802328, 5222252910, 6963003880, 10444505820, 20889011640]

約数ペア:

[(1, 20889011640), (2, 10444505820), (3, 6963003880), (4, 5222252910), (5, 4177802328), (6, 3481501940), (7, 2984144520), (8, 2611126455), (10, 2088901164), (12, 1740750970), (14, 1492072260), (15, 1392600776), (20, 1044450582), (21, 994714840), (24, 870375485), (28, 746036130), (30, 696300388), (35, 596828904), (40, 522225291), (42, 497357420), (49, 426306360), (56, 373018065), (60, 348150194), (70, 298414452), (84, 248678710), (98, 213153180), (105, 198942968), (120, 174075097), (140, 149207226), (147, 142102120), (168, 124339355), (196, 106576590), (210, 99471484), (245, 85261272), (280, 74603613), (294, 71051060), (311, 67167240), (392, 53288295), (420, 49735742), (490, 42630636), (588, 35525530), (622, 33583620), (735, 28420424), (840, 24867871), (933, 22389080), (980, 21315318), (1176, 17762765), (1244, 16791810), (1470, 14210212), (1555, 13433448), (1866, 11194540), (1960, 10657659), (2177, 9595320), (2488, 8395905), (2940, 7105106), (3110, 6716724), (3732, 5597270), (4354, 4797660), (4665, 4477816), (5880, 3552553), (6220, 3358362), (6531, 3198440), (7464, 2798635), (8708, 2398830), (9330, 2238908), (10885, 1919064), (11423, 1828680), (12440, 1679181), (13062, 1599220), (15239, 1370760), (17416, 1199415), (18660, 1119454), (21770, 959532), (22846, 914340), (26124, 799610), (30478, 685380), (32655, 639688), (34269, 609560), (37320, 559727), (43540, 479766), (45692, 457170), (45717, 456920), (52248, 399805), (57115, 365736), (60956, 342690), (65310, 319844), (68538, 304780), (76195, 274152), (79961, 261240), (87080, 239883), (91384, 228585), (91434, 228460), (114230, 182868), (121912, 171345), (130620, 159922), (137076, 152390)]