20539969996

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{613}}^1$

素因数の和:820

約数の個数: 144

約数和(自身を含む): 45631556544

約数和(自身を除く): 25091586548

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 73, 91, 97, 146, 169, 182, 194, 292, 338, 364, 388, 511, 613, 676, 679, 949, 1022, 1183, 1226, 1261, 1358, 1898, 2044, 2366, 2452, 2522, 2716, 3796, 4291, 4732, 5044, 6643, 7081, 7969, 8582, 8827, 12337, 13286, 14162, 15938, 16393, 17164, 17654, 24674, 26572, 28324, 31876, 32786, 35308, 44749, 49348, 49567, 55783, 59461, 65572, 86359, 89498, 92053, 99134, 103597, 111566, 114751, 118922, 172718, 178996, 184106, 198268, 207194, 223132, 229502, 237844, 313243, 345436, 368212, 414388, 416227, 459004, 581737, 626486, 644371, 725179, 772993, 832454, 1163474, 1196689, 1252972, 1288742, 1450358, 1545986, 1664908, 2326948, 2393378, 2577484, 2900716, 3091972, 4072159, 4340653, 4786756, 5410951, 7562581, 8144318, 8376823, 8681306, 10048909, 10821902, 15125162, 16288636, 16753646, 17362612, 20097818, 21643804, 30250324, 30384571, 33507292, 40195636, 52938067, 56428489, 60769142, 70342363, 105876134, 112856978, 121538284, 140684726, 211752268, 225713956, 281369452, 394999423, 733570357, 789998846, 1467140714, 1579997692, 2934281428, 5134992499, 10269984998, 20539969996]

約数ペア:

[(1, 20539969996), (2, 10269984998), (4, 5134992499), (7, 2934281428), (13, 1579997692), (14, 1467140714), (26, 789998846), (28, 733570357), (52, 394999423), (73, 281369452), (91, 225713956), (97, 211752268), (146, 140684726), (169, 121538284), (182, 112856978), (194, 105876134), (292, 70342363), (338, 60769142), (364, 56428489), (388, 52938067), (511, 40195636), (613, 33507292), (676, 30384571), (679, 30250324), (949, 21643804), (1022, 20097818), (1183, 17362612), (1226, 16753646), (1261, 16288636), (1358, 15125162), (1898, 10821902), (2044, 10048909), (2366, 8681306), (2452, 8376823), (2522, 8144318), (2716, 7562581), (3796, 5410951), (4291, 4786756), (4732, 4340653), (5044, 4072159), (6643, 3091972), (7081, 2900716), (7969, 2577484), (8582, 2393378), (8827, 2326948), (12337, 1664908), (13286, 1545986), (14162, 1450358), (15938, 1288742), (16393, 1252972), (17164, 1196689), (17654, 1163474), (24674, 832454), (26572, 772993), (28324, 725179), (31876, 644371), (32786, 626486), (35308, 581737), (44749, 459004), (49348, 416227), (49567, 414388), (55783, 368212), (59461, 345436), (65572, 313243), (86359, 237844), (89498, 229502), (92053, 223132), (99134, 207194), (103597, 198268), (111566, 184106), (114751, 178996), (118922, 172718)]