20218563900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{829}}^1\times {\mathrm{3011}}^1$

素因数の和:3866

約数の個数: 180

約数和(自身を含む): 65641449720

約数和(自身を除く): 45422885820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 829, 900, 1350, 1620, 1658, 2025, 2487, 2700, 3011, 3316, 4050, 4145, 4974, 6022, 7461, 8100, 8290, 9033, 9948, 12044, 12435, 14922, 15055, 16580, 18066, 20725, 22383, 24870, 27099, 29844, 30110, 36132, 37305, 41450, 44766, 45165, 49740, 54198, 60220, 62175, 67149, 74610, 75275, 81297, 82900, 89532, 90330, 108396, 111915, 124350, 134298, 135495, 149220, 150550, 162594, 180660, 186525, 223830, 225825, 243891, 248700, 268596, 270990, 301100, 325188, 335745, 373050, 406485, 447660, 451650, 487782, 541980, 559575, 671490, 677475, 746100, 812970, 903300, 975564, 1119150, 1219455, 1342980, 1354950, 1625940, 1678725, 2032425, 2238300, 2438910, 2496119, 2709900, 3357450, 4064850, 4877820, 4992238, 6097275, 6714900, 7488357, 8129700, 9984476, 12194550, 12480595, 14976714, 22465071, 24389100, 24961190, 29953428, 37441785, 44930142, 49922380, 62402975, 67395213, 74883570, 89860284, 112325355, 124805950, 134790426, 149767140, 187208925, 202185639, 224650710, 249611900, 269580852, 336976065, 374417850, 404371278, 449301420, 561626775, 673952130, 748835700, 808742556, 1010928195, 1123253550, 1347904260, 1684880325, 2021856390, 2246507100, 3369760650, 4043712780, 5054640975, 6739521300, 10109281950, 20218563900]

約数ペア:

[(1, 20218563900), (2, 10109281950), (3, 6739521300), (4, 5054640975), (5, 4043712780), (6, 3369760650), (9, 2246507100), (10, 2021856390), (12, 1684880325), (15, 1347904260), (18, 1123253550), (20, 1010928195), (25, 808742556), (27, 748835700), (30, 673952130), (36, 561626775), (45, 449301420), (50, 404371278), (54, 374417850), (60, 336976065), (75, 269580852), (81, 249611900), (90, 224650710), (100, 202185639), (108, 187208925), (135, 149767140), (150, 134790426), (162, 124805950), (180, 112325355), (225, 89860284), (270, 74883570), (300, 67395213), (324, 62402975), (405, 49922380), (450, 44930142), (540, 37441785), (675, 29953428), (810, 24961190), (829, 24389100), (900, 22465071), (1350, 14976714), (1620, 12480595), (1658, 12194550), (2025, 9984476), (2487, 8129700), (2700, 7488357), (3011, 6714900), (3316, 6097275), (4050, 4992238), (4145, 4877820), (4974, 4064850), (6022, 3357450), (7461, 2709900), (8100, 2496119), (8290, 2438910), (9033, 2238300), (9948, 2032425), (12044, 1678725), (12435, 1625940), (14922, 1354950), (15055, 1342980), (16580, 1219455), (18066, 1119150), (20725, 975564), (22383, 903300), (24870, 812970), (27099, 746100), (29844, 677475), (30110, 671490), (36132, 559575), (37305, 541980), (41450, 487782), (44766, 451650), (45165, 447660), (49740, 406485), (54198, 373050), (60220, 335745), (62175, 325188), (67149, 301100), (74610, 270990), (75275, 268596), (81297, 248700), (82900, 243891), (89532, 225825), (90330, 223830), (108396, 186525), (111915, 180660), (124350, 162594), (134298, 150550), (135495, 149220)]