20163941980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{19069}}^1$

素因数の和:19188

約数の個数: 144

約数和(自身を含む): 53688610080

約数和(自身を除く): 33524668100

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 83, 91, 98, 130, 140, 166, 182, 196, 245, 260, 332, 364, 415, 455, 490, 581, 637, 830, 910, 980, 1079, 1162, 1274, 1660, 1820, 2158, 2324, 2548, 2905, 3185, 4067, 4316, 5395, 5810, 6370, 7553, 8134, 10790, 11620, 12740, 15106, 16268, 19069, 20335, 21580, 30212, 37765, 38138, 40670, 52871, 75530, 76276, 81340, 95345, 105742, 133483, 151060, 190690, 211484, 247897, 264355, 266966, 381380, 495794, 528710, 533932, 667415, 934381, 991588, 1057420, 1239485, 1334830, 1582727, 1735279, 1868762, 2478970, 2669660, 3165454, 3470558, 3737524, 4671905, 4957940, 6330908, 6941116, 7913635, 8676395, 9343810, 11079089, 12146953, 15827270, 17352790, 18687620, 20575451, 22158178, 24293906, 31654540, 34705580, 41150902, 44316356, 48587812, 55395445, 60734765, 77553623, 82301804, 102877255, 110790890, 121469530, 144028157, 155107246, 205754510, 221581780, 242939060, 288056314, 310214492, 387768115, 411509020, 576112628, 720140785, 775536230, 1008197099, 1440281570, 1551072460, 2016394198, 2880563140, 4032788396, 5040985495, 10081970990, 20163941980]

約数ペア:

[(1, 20163941980), (2, 10081970990), (4, 5040985495), (5, 4032788396), (7, 2880563140), (10, 2016394198), (13, 1551072460), (14, 1440281570), (20, 1008197099), (26, 775536230), (28, 720140785), (35, 576112628), (49, 411509020), (52, 387768115), (65, 310214492), (70, 288056314), (83, 242939060), (91, 221581780), (98, 205754510), (130, 155107246), (140, 144028157), (166, 121469530), (182, 110790890), (196, 102877255), (245, 82301804), (260, 77553623), (332, 60734765), (364, 55395445), (415, 48587812), (455, 44316356), (490, 41150902), (581, 34705580), (637, 31654540), (830, 24293906), (910, 22158178), (980, 20575451), (1079, 18687620), (1162, 17352790), (1274, 15827270), (1660, 12146953), (1820, 11079089), (2158, 9343810), (2324, 8676395), (2548, 7913635), (2905, 6941116), (3185, 6330908), (4067, 4957940), (4316, 4671905), (5395, 3737524), (5810, 3470558), (6370, 3165454), (7553, 2669660), (8134, 2478970), (10790, 1868762), (11620, 1735279), (12740, 1582727), (15106, 1334830), (16268, 1239485), (19069, 1057420), (20335, 991588), (21580, 934381), (30212, 667415), (37765, 533932), (38138, 528710), (40670, 495794), (52871, 381380), (75530, 266966), (76276, 264355), (81340, 247897), (95345, 211484), (105742, 190690), (133483, 151060)]