20786514900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{98561}}^1$

素因数の和:98634

約数の個数: 144

約数和(自身を含む): 65019380160

約数和(自身を除く): 44232865260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 37, 38, 50, 57, 60, 74, 75, 76, 95, 100, 111, 114, 148, 150, 185, 190, 222, 228, 285, 300, 370, 380, 444, 475, 555, 570, 703, 740, 925, 950, 1110, 1140, 1406, 1425, 1850, 1900, 2109, 2220, 2775, 2812, 2850, 3515, 3700, 4218, 5550, 5700, 7030, 8436, 10545, 11100, 14060, 17575, 21090, 35150, 42180, 52725, 70300, 98561, 105450, 197122, 210900, 295683, 394244, 492805, 591366, 985610, 1182732, 1478415, 1872659, 1971220, 2464025, 2956830, 3646757, 3745318, 4928050, 5617977, 5913660, 7293514, 7392075, 7490636, 9363295, 9856100, 10940271, 11235954, 14587028, 14784150, 18233785, 18726590, 21880542, 22471908, 28089885, 29568300, 36467570, 37453180, 43761084, 46816475, 54701355, 56179770, 69288383, 72935140, 91168925, 93632950, 109402710, 112359540, 138576766, 140449425, 182337850, 187265900, 207865149, 218805420, 273506775, 277153532, 280898850, 346441915, 364675700, 415730298, 547013550, 561797700, 692883830, 831460596, 1039325745, 1094027100, 1385767660, 1732209575, 2078651490, 3464419150, 4157302980, 5196628725, 6928838300, 10393257450, 20786514900]

約数ペア:

[(1, 20786514900), (2, 10393257450), (3, 6928838300), (4, 5196628725), (5, 4157302980), (6, 3464419150), (10, 2078651490), (12, 1732209575), (15, 1385767660), (19, 1094027100), (20, 1039325745), (25, 831460596), (30, 692883830), (37, 561797700), (38, 547013550), (50, 415730298), (57, 364675700), (60, 346441915), (74, 280898850), (75, 277153532), (76, 273506775), (95, 218805420), (100, 207865149), (111, 187265900), (114, 182337850), (148, 140449425), (150, 138576766), (185, 112359540), (190, 109402710), (222, 93632950), (228, 91168925), (285, 72935140), (300, 69288383), (370, 56179770), (380, 54701355), (444, 46816475), (475, 43761084), (555, 37453180), (570, 36467570), (703, 29568300), (740, 28089885), (925, 22471908), (950, 21880542), (1110, 18726590), (1140, 18233785), (1406, 14784150), (1425, 14587028), (1850, 11235954), (1900, 10940271), (2109, 9856100), (2220, 9363295), (2775, 7490636), (2812, 7392075), (2850, 7293514), (3515, 5913660), (3700, 5617977), (4218, 4928050), (5550, 3745318), (5700, 3646757), (7030, 2956830), (8436, 2464025), (10545, 1971220), (11100, 1872659), (14060, 1478415), (17575, 1182732), (21090, 985610), (35150, 591366), (42180, 492805), (52725, 394244), (70300, 295683), (98561, 210900), (105450, 197122)]