20121448284

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{449}}^1\times {\mathrm{1091}}^1$

素因数の和:1720

約数の個数: 144

約数和(自身を含む): 58669228800

約数和(自身を除く): 38547780516

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 163, 252, 326, 449, 489, 652, 898, 978, 1091, 1141, 1347, 1467, 1796, 1956, 2182, 2282, 2694, 2934, 3143, 3273, 3423, 4041, 4364, 4564, 5388, 5868, 6286, 6546, 6846, 7637, 8082, 9429, 9819, 10269, 12572, 13092, 13692, 15274, 16164, 18858, 19638, 20538, 22911, 28287, 30548, 37716, 39276, 41076, 45822, 56574, 68733, 73187, 91644, 113148, 137466, 146374, 177833, 219561, 274932, 292748, 355666, 439122, 489859, 512309, 533499, 658683, 711332, 878244, 979718, 1024618, 1066998, 1244831, 1317366, 1469577, 1536927, 1600497, 1959436, 2049236, 2133996, 2489662, 2634732, 2939154, 3073854, 3200994, 3429013, 3734493, 4408731, 4610781, 4979324, 5878308, 6147708, 6401988, 6858026, 7468986, 8817462, 9221562, 10287039, 11203479, 13716052, 14937972, 17634924, 18443124, 20574078, 22406958, 30861117, 41148156, 44813916, 61722234, 79847017, 123444468, 159694034, 239541051, 319388068, 479082102, 558929119, 718623153, 958164204, 1117858238, 1437246306, 1676787357, 2235716476, 2874492612, 3353574714, 5030362071, 6707149428, 10060724142, 20121448284]

約数ペア:

[(1, 20121448284), (2, 10060724142), (3, 6707149428), (4, 5030362071), (6, 3353574714), (7, 2874492612), (9, 2235716476), (12, 1676787357), (14, 1437246306), (18, 1117858238), (21, 958164204), (28, 718623153), (36, 558929119), (42, 479082102), (63, 319388068), (84, 239541051), (126, 159694034), (163, 123444468), (252, 79847017), (326, 61722234), (449, 44813916), (489, 41148156), (652, 30861117), (898, 22406958), (978, 20574078), (1091, 18443124), (1141, 17634924), (1347, 14937972), (1467, 13716052), (1796, 11203479), (1956, 10287039), (2182, 9221562), (2282, 8817462), (2694, 7468986), (2934, 6858026), (3143, 6401988), (3273, 6147708), (3423, 5878308), (4041, 4979324), (4364, 4610781), (4564, 4408731), (5388, 3734493), (5868, 3429013), (6286, 3200994), (6546, 3073854), (6846, 2939154), (7637, 2634732), (8082, 2489662), (9429, 2133996), (9819, 2049236), (10269, 1959436), (12572, 1600497), (13092, 1536927), (13692, 1469577), (15274, 1317366), (16164, 1244831), (18858, 1066998), (19638, 1024618), (20538, 979718), (22911, 878244), (28287, 711332), (30548, 658683), (37716, 533499), (39276, 512309), (41076, 489859), (45822, 439122), (56574, 355666), (68733, 292748), (73187, 274932), (91644, 219561), (113148, 177833), (137466, 146374)]