20409645900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{2687}}^1\times {\mathrm{3617}}^1$

素因数の和:6328

約数の個数: 144

約数和(自身を含む): 67531677696

約数和(自身を除く): 47122031796

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 2687, 3617, 5374, 7234, 8061, 10748, 10851, 13435, 14468, 16122, 18085, 18809, 21702, 25319, 26870, 32244, 36170, 37618, 40305, 43404, 50638, 53740, 54255, 56427, 67175, 72340, 75236, 75957, 80610, 90425, 94045, 101276, 108510, 112854, 126595, 134350, 151914, 161220, 180850, 188090, 201525, 217020, 225708, 253190, 268700, 271275, 282135, 303828, 361700, 376180, 379785, 403050, 470225, 506380, 542550, 564270, 632975, 759570, 806100, 940450, 1085100, 1128540, 1265950, 1410675, 1519140, 1880900, 1898925, 2531900, 2821350, 3797850, 5642700, 7595700, 9718879, 19437758, 29156637, 38875516, 48594395, 58313274, 68032153, 97188790, 116626548, 136064306, 145783185, 194377580, 204096459, 242971975, 272128612, 291566370, 340160765, 408192918, 485943950, 583132740, 680321530, 728915925, 816385836, 971887900, 1020482295, 1360643060, 1457831850, 1700803825, 2040964590, 2915663700, 3401607650, 4081929180, 5102411475, 6803215300, 10204822950, 20409645900]

約数ペア:

[(1, 20409645900), (2, 10204822950), (3, 6803215300), (4, 5102411475), (5, 4081929180), (6, 3401607650), (7, 2915663700), (10, 2040964590), (12, 1700803825), (14, 1457831850), (15, 1360643060), (20, 1020482295), (21, 971887900), (25, 816385836), (28, 728915925), (30, 680321530), (35, 583132740), (42, 485943950), (50, 408192918), (60, 340160765), (70, 291566370), (75, 272128612), (84, 242971975), (100, 204096459), (105, 194377580), (140, 145783185), (150, 136064306), (175, 116626548), (210, 97188790), (300, 68032153), (350, 58313274), (420, 48594395), (525, 38875516), (700, 29156637), (1050, 19437758), (2100, 9718879), (2687, 7595700), (3617, 5642700), (5374, 3797850), (7234, 2821350), (8061, 2531900), (10748, 1898925), (10851, 1880900), (13435, 1519140), (14468, 1410675), (16122, 1265950), (18085, 1128540), (18809, 1085100), (21702, 940450), (25319, 806100), (26870, 759570), (32244, 632975), (36170, 564270), (37618, 542550), (40305, 506380), (43404, 470225), (50638, 403050), (53740, 379785), (54255, 376180), (56427, 361700), (67175, 303828), (72340, 282135), (75236, 271275), (75957, 268700), (80610, 253190), (90425, 225708), (94045, 217020), (101276, 201525), (108510, 188090), (112854, 180850), (126595, 161220), (134350, 151914)]