20848757589

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{26203}}^1$

素因数の和:26292

約数の個数: 80

約数和(自身を含む): 36526279680

約数和(自身を除く): 15677522091

約数列:

[1, 3, 9, 11, 19, 27, 33, 47, 57, 81, 99, 141, 171, 209, 297, 423, 513, 517, 627, 891, 893, 1269, 1539, 1551, 1881, 2679, 3807, 4653, 5643, 8037, 9823, 13959, 16929, 24111, 26203, 29469, 41877, 72333, 78609, 88407, 235827, 265221, 288233, 497857, 707481, 795663, 864699, 1231541, 1493571, 2122443, 2594097, 3694623, 4480713, 5476427, 7782291, 11083869, 13442139, 13546951, 16429281, 23346873, 23399279, 33251607, 40326417, 40640853, 49287843, 70197837, 99754821, 121922559, 147863529, 210593511, 257392069, 365767677, 443590587, 631780533, 772176207, 1097303031, 1895341599, 2316528621, 6949585863, 20848757589]

約数ペア:

[(1, 20848757589), (3, 6949585863), (9, 2316528621), (11, 1895341599), (19, 1097303031), (27, 772176207), (33, 631780533), (47, 443590587), (57, 365767677), (81, 257392069), (99, 210593511), (141, 147863529), (171, 121922559), (209, 99754821), (297, 70197837), (423, 49287843), (513, 40640853), (517, 40326417), (627, 33251607), (891, 23399279), (893, 23346873), (1269, 16429281), (1539, 13546951), (1551, 13442139), (1881, 11083869), (2679, 7782291), (3807, 5476427), (4653, 4480713), (5643, 3694623), (8037, 2594097), (9823, 2122443), (13959, 1493571), (16929, 1231541), (24111, 864699), (26203, 795663), (29469, 707481), (41877, 497857), (72333, 288233), (78609, 265221), (88407, 235827)]