20161208548

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:486

約数の個数: 144

約数和(自身を含む): 41747892480

約数和(自身を除く): 21586683932

約数列:

[1, 2, 4, 13, 17, 26, 34, 47, 52, 68, 94, 163, 169, 188, 221, 229, 326, 338, 442, 458, 611, 652, 676, 799, 884, 916, 1222, 1598, 2119, 2444, 2771, 2873, 2977, 3196, 3893, 4238, 5542, 5746, 5954, 7661, 7786, 7943, 8476, 10387, 10763, 11084, 11492, 11908, 15322, 15572, 15886, 20774, 21526, 27547, 30644, 31772, 36023, 37327, 38701, 41548, 43052, 50609, 55094, 72046, 74654, 77402, 99593, 101218, 110188, 130237, 135031, 139919, 144092, 149308, 154804, 182971, 199186, 202436, 260474, 270062, 279838, 365942, 398372, 468299, 485251, 520948, 540124, 559676, 634559, 657917, 731884, 936598, 970502, 1269118, 1294709, 1315834, 1693081, 1754369, 1818947, 1873196, 1941004, 2378623, 2538236, 2589418, 2631668, 3386162, 3508738, 3637894, 4757246, 5178836, 6308263, 6772324, 7017476, 7275788, 8249267, 9514492, 12616526, 16498534, 22010053, 22806797, 25233052, 29824273, 30922099, 32997068, 44020106, 45613594, 59648546, 61844198, 88040212, 91227188, 107240471, 119297092, 123688396, 214480942, 296488361, 387715549, 428961884, 592976722, 775431098, 1185953444, 1550862196, 5040302137, 10080604274, 20161208548]

約数ペア:

[(1, 20161208548), (2, 10080604274), (4, 5040302137), (13, 1550862196), (17, 1185953444), (26, 775431098), (34, 592976722), (47, 428961884), (52, 387715549), (68, 296488361), (94, 214480942), (163, 123688396), (169, 119297092), (188, 107240471), (221, 91227188), (229, 88040212), (326, 61844198), (338, 59648546), (442, 45613594), (458, 44020106), (611, 32997068), (652, 30922099), (676, 29824273), (799, 25233052), (884, 22806797), (916, 22010053), (1222, 16498534), (1598, 12616526), (2119, 9514492), (2444, 8249267), (2771, 7275788), (2873, 7017476), (2977, 6772324), (3196, 6308263), (3893, 5178836), (4238, 4757246), (5542, 3637894), (5746, 3508738), (5954, 3386162), (7661, 2631668), (7786, 2589418), (7943, 2538236), (8476, 2378623), (10387, 1941004), (10763, 1873196), (11084, 1818947), (11492, 1754369), (11908, 1693081), (15322, 1315834), (15572, 1294709), (15886, 1269118), (20774, 970502), (21526, 936598), (27547, 731884), (30644, 657917), (31772, 634559), (36023, 559676), (37327, 540124), (38701, 520948), (41548, 485251), (43052, 468299), (50609, 398372), (55094, 365942), (72046, 279838), (74654, 270062), (77402, 260474), (99593, 202436), (101218, 199186), (110188, 182971), (130237, 154804), (135031, 149308), (139919, 144092)]