20468850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:404

約数の個数: 96

約数和(自身を含む): 56246400

約数和(自身を除く): 35777550

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 23, 25, 30, 34, 46, 50, 51, 69, 75, 85, 102, 115, 138, 150, 170, 230, 255, 345, 349, 391, 425, 510, 575, 690, 698, 782, 850, 1047, 1150, 1173, 1275, 1725, 1745, 1955, 2094, 2346, 2550, 3450, 3490, 3910, 5235, 5865, 5933, 8027, 8725, 9775, 10470, 11730, 11866, 16054, 17450, 17799, 19550, 24081, 26175, 29325, 29665, 35598, 40135, 48162, 52350, 58650, 59330, 80270, 88995, 120405, 136459, 148325, 177990, 200675, 240810, 272918, 296650, 401350, 409377, 444975, 602025, 682295, 818754, 889950, 1204050, 1364590, 2046885, 3411475, 4093770, 6822950, 10234425, 20468850]

約数ペア:

[(1, 20468850), (2, 10234425), (3, 6822950), (5, 4093770), (6, 3411475), (10, 2046885), (15, 1364590), (17, 1204050), (23, 889950), (25, 818754), (30, 682295), (34, 602025), (46, 444975), (50, 409377), (51, 401350), (69, 296650), (75, 272918), (85, 240810), (102, 200675), (115, 177990), (138, 148325), (150, 136459), (170, 120405), (230, 88995), (255, 80270), (345, 59330), (349, 58650), (391, 52350), (425, 48162), (510, 40135), (575, 35598), (690, 29665), (698, 29325), (782, 26175), (850, 24081), (1047, 19550), (1150, 17799), (1173, 17450), (1275, 16054), (1725, 11866), (1745, 11730), (1955, 10470), (2094, 9775), (2346, 8725), (2550, 8027), (3450, 5933), (3490, 5865), (3910, 5235)]