20153700

素因数分解:

$2^2\times 3^2\times 5^2\times 7^2\times {\mathrm{457}}^1$

素因数の和:491

約数の個数: 162

約数和(自身を含む): 73645026

約数和(自身を除く): 53491326

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 49, 50, 60, 63, 70, 75, 84, 90, 98, 100, 105, 126, 140, 147, 150, 175, 180, 196, 210, 225, 245, 252, 294, 300, 315, 350, 420, 441, 450, 457, 490, 525, 588, 630, 700, 735, 882, 900, 914, 980, 1050, 1225, 1260, 1371, 1470, 1575, 1764, 1828, 2100, 2205, 2285, 2450, 2742, 2940, 3150, 3199, 3675, 4113, 4410, 4570, 4900, 5484, 6300, 6398, 6855, 7350, 8226, 8820, 9140, 9597, 11025, 11425, 12796, 13710, 14700, 15995, 16452, 19194, 20565, 22050, 22393, 22850, 27420, 28791, 31990, 34275, 38388, 41130, 44100, 44786, 45700, 47985, 57582, 63980, 67179, 68550, 79975, 82260, 89572, 95970, 102825, 111965, 115164, 134358, 137100, 143955, 159950, 191940, 201537, 205650, 223930, 239925, 268716, 287910, 319900, 335895, 403074, 411300, 447860, 479850, 559825, 575820, 671790, 719775, 806148, 959700, 1007685, 1119650, 1343580, 1439550, 1679475, 2015370, 2239300, 2879100, 3358950, 4030740, 5038425, 6717900, 10076850, 20153700]

約数ペア:

[(1, 20153700), (2, 10076850), (3, 6717900), (4, 5038425), (5, 4030740), (6, 3358950), (7, 2879100), (9, 2239300), (10, 2015370), (12, 1679475), (14, 1439550), (15, 1343580), (18, 1119650), (20, 1007685), (21, 959700), (25, 806148), (28, 719775), (30, 671790), (35, 575820), (36, 559825), (42, 479850), (45, 447860), (49, 411300), (50, 403074), (60, 335895), (63, 319900), (70, 287910), (75, 268716), (84, 239925), (90, 223930), (98, 205650), (100, 201537), (105, 191940), (126, 159950), (140, 143955), (147, 137100), (150, 134358), (175, 115164), (180, 111965), (196, 102825), (210, 95970), (225, 89572), (245, 82260), (252, 79975), (294, 68550), (300, 67179), (315, 63980), (350, 57582), (420, 47985), (441, 45700), (450, 44786), (457, 44100), (490, 41130), (525, 38388), (588, 34275), (630, 31990), (700, 28791), (735, 27420), (882, 22850), (900, 22393), (914, 22050), (980, 20565), (1050, 19194), (1225, 16452), (1260, 15995), (1371, 14700), (1470, 13710), (1575, 12796), (1764, 11425), (1828, 11025), (2100, 9597), (2205, 9140), (2285, 8820), (2450, 8226), (2742, 7350), (2940, 6855), (3150, 6398), (3199, 6300), (3675, 5484), (4113, 4900), (4410, 4570)]