20946600

素因数分解:

$2^3\times 3^5\times 5^2\times {\mathrm{431}}^1$

素因数の和:462

約数の個数: 144

約数和(自身を含む): 73120320

約数和(自身を除く): 52173720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 81, 90, 100, 108, 120, 135, 150, 162, 180, 200, 216, 225, 243, 270, 300, 324, 360, 405, 431, 450, 486, 540, 600, 648, 675, 810, 862, 900, 972, 1080, 1215, 1293, 1350, 1620, 1724, 1800, 1944, 2025, 2155, 2430, 2586, 2700, 3240, 3448, 3879, 4050, 4310, 4860, 5172, 5400, 6075, 6465, 7758, 8100, 8620, 9720, 10344, 10775, 11637, 12150, 12930, 15516, 16200, 17240, 19395, 21550, 23274, 24300, 25860, 31032, 32325, 34911, 38790, 43100, 46548, 48600, 51720, 58185, 64650, 69822, 77580, 86200, 93096, 96975, 104733, 116370, 129300, 139644, 155160, 174555, 193950, 209466, 232740, 258600, 279288, 290925, 349110, 387900, 418932, 465480, 523665, 581850, 698220, 775800, 837864, 872775, 1047330, 1163700, 1396440, 1745550, 2094660, 2327400, 2618325, 3491100, 4189320, 5236650, 6982200, 10473300, 20946600]

約数ペア:

[(1, 20946600), (2, 10473300), (3, 6982200), (4, 5236650), (5, 4189320), (6, 3491100), (8, 2618325), (9, 2327400), (10, 2094660), (12, 1745550), (15, 1396440), (18, 1163700), (20, 1047330), (24, 872775), (25, 837864), (27, 775800), (30, 698220), (36, 581850), (40, 523665), (45, 465480), (50, 418932), (54, 387900), (60, 349110), (72, 290925), (75, 279288), (81, 258600), (90, 232740), (100, 209466), (108, 193950), (120, 174555), (135, 155160), (150, 139644), (162, 129300), (180, 116370), (200, 104733), (216, 96975), (225, 93096), (243, 86200), (270, 77580), (300, 69822), (324, 64650), (360, 58185), (405, 51720), (431, 48600), (450, 46548), (486, 43100), (540, 38790), (600, 34911), (648, 32325), (675, 31032), (810, 25860), (862, 24300), (900, 23274), (972, 21550), (1080, 19395), (1215, 17240), (1293, 16200), (1350, 15516), (1620, 12930), (1724, 12150), (1800, 11637), (1944, 10775), (2025, 10344), (2155, 9720), (2430, 8620), (2586, 8100), (2700, 7758), (3240, 6465), (3448, 6075), (3879, 5400), (4050, 5172), (4310, 4860)]