20841300

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:140

約数の個数: 180

約数和(自身を含む): 70578816

約数和(自身を除く): 49737516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 31, 36, 45, 50, 54, 60, 62, 75, 81, 83, 90, 93, 100, 108, 124, 135, 150, 155, 162, 166, 180, 186, 225, 249, 270, 279, 300, 310, 324, 332, 372, 405, 415, 450, 465, 498, 540, 558, 620, 675, 747, 775, 810, 830, 837, 900, 930, 996, 1116, 1245, 1350, 1395, 1494, 1550, 1620, 1660, 1674, 1860, 2025, 2075, 2241, 2325, 2490, 2511, 2573, 2700, 2790, 2988, 3100, 3348, 3735, 4050, 4150, 4185, 4482, 4650, 4980, 5022, 5146, 5580, 6225, 6723, 6975, 7470, 7719, 8100, 8300, 8370, 8964, 9300, 10044, 10292, 11205, 12450, 12555, 12865, 13446, 13950, 14940, 15438, 16740, 18675, 20925, 22410, 23157, 24900, 25110, 25730, 26892, 27900, 30876, 33615, 37350, 38595, 41850, 44820, 46314, 50220, 51460, 56025, 62775, 64325, 67230, 69471, 74700, 77190, 83700, 92628, 112050, 115785, 125550, 128650, 134460, 138942, 154380, 168075, 192975, 208413, 224100, 231570, 251100, 257300, 277884, 336150, 347355, 385950, 416826, 463140, 578925, 672300, 694710, 771900, 833652, 1042065, 1157850, 1389420, 1736775, 2084130, 2315700, 3473550, 4168260, 5210325, 6947100, 10420650, 20841300]

約数ペア:

[(1, 20841300), (2, 10420650), (3, 6947100), (4, 5210325), (5, 4168260), (6, 3473550), (9, 2315700), (10, 2084130), (12, 1736775), (15, 1389420), (18, 1157850), (20, 1042065), (25, 833652), (27, 771900), (30, 694710), (31, 672300), (36, 578925), (45, 463140), (50, 416826), (54, 385950), (60, 347355), (62, 336150), (75, 277884), (81, 257300), (83, 251100), (90, 231570), (93, 224100), (100, 208413), (108, 192975), (124, 168075), (135, 154380), (150, 138942), (155, 134460), (162, 128650), (166, 125550), (180, 115785), (186, 112050), (225, 92628), (249, 83700), (270, 77190), (279, 74700), (300, 69471), (310, 67230), (324, 64325), (332, 62775), (372, 56025), (405, 51460), (415, 50220), (450, 46314), (465, 44820), (498, 41850), (540, 38595), (558, 37350), (620, 33615), (675, 30876), (747, 27900), (775, 26892), (810, 25730), (830, 25110), (837, 24900), (900, 23157), (930, 22410), (996, 20925), (1116, 18675), (1245, 16740), (1350, 15438), (1395, 14940), (1494, 13950), (1550, 13446), (1620, 12865), (1660, 12555), (1674, 12450), (1860, 11205), (2025, 10292), (2075, 10044), (2241, 9300), (2325, 8964), (2490, 8370), (2511, 8300), (2573, 8100), (2700, 7719), (2790, 7470), (2988, 6975), (3100, 6723), (3348, 6225), (3735, 5580), (4050, 5146), (4150, 5022), (4185, 4980), (4482, 4650)]