20506278832

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{7561}}^1$

素因数の和:7671

約数の個数: 120

約数和(自身を含む): 46331164080

約数和(自身を除く): 25824885248

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 59, 68, 104, 118, 136, 169, 208, 221, 236, 272, 338, 442, 472, 676, 767, 884, 944, 1003, 1352, 1534, 1768, 2006, 2704, 2873, 3068, 3536, 4012, 5746, 6136, 7561, 8024, 9971, 11492, 12272, 13039, 15122, 16048, 19942, 22984, 26078, 30244, 39884, 45968, 52156, 60488, 79768, 98293, 104312, 120976, 128537, 159536, 169507, 196586, 208624, 257074, 339014, 393172, 446099, 514148, 678028, 786344, 892198, 1028296, 1277809, 1356056, 1572688, 1670981, 1784396, 2056592, 2555618, 2712112, 3341962, 3568792, 5111236, 5799287, 6683924, 7137584, 7583683, 10222472, 11598574, 13367848, 15167366, 20444944, 21722753, 23197148, 26735696, 30334732, 43445506, 46394296, 60669464, 75390731, 86891012, 92788592, 98587879, 121338928, 150781462, 173782024, 197175758, 301562924, 347564048, 394351516, 603125848, 788703032, 1206251696, 1281642427, 1577406064, 2563284854, 5126569708, 10253139416, 20506278832]

約数ペア:

[(1, 20506278832), (2, 10253139416), (4, 5126569708), (8, 2563284854), (13, 1577406064), (16, 1281642427), (17, 1206251696), (26, 788703032), (34, 603125848), (52, 394351516), (59, 347564048), (68, 301562924), (104, 197175758), (118, 173782024), (136, 150781462), (169, 121338928), (208, 98587879), (221, 92788592), (236, 86891012), (272, 75390731), (338, 60669464), (442, 46394296), (472, 43445506), (676, 30334732), (767, 26735696), (884, 23197148), (944, 21722753), (1003, 20444944), (1352, 15167366), (1534, 13367848), (1768, 11598574), (2006, 10222472), (2704, 7583683), (2873, 7137584), (3068, 6683924), (3536, 5799287), (4012, 5111236), (5746, 3568792), (6136, 3341962), (7561, 2712112), (8024, 2555618), (9971, 2056592), (11492, 1784396), (12272, 1670981), (13039, 1572688), (15122, 1356056), (16048, 1277809), (19942, 1028296), (22984, 892198), (26078, 786344), (30244, 678028), (39884, 514148), (45968, 446099), (52156, 393172), (60488, 339014), (79768, 257074), (98293, 208624), (104312, 196586), (120976, 169507), (128537, 159536)]