20011740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:132

約数の個数: 192

約数和(自身を含む): 69672960

約数和(自身を除く): 49661220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 31, 35, 42, 53, 58, 60, 62, 70, 84, 87, 93, 105, 106, 116, 124, 140, 145, 155, 159, 174, 186, 203, 210, 212, 217, 265, 290, 310, 318, 348, 371, 372, 406, 420, 434, 435, 465, 530, 580, 609, 620, 636, 651, 742, 795, 812, 868, 870, 899, 930, 1015, 1060, 1085, 1113, 1218, 1302, 1484, 1537, 1590, 1643, 1740, 1798, 1855, 1860, 2030, 2170, 2226, 2436, 2604, 2697, 3045, 3074, 3180, 3255, 3286, 3596, 3710, 4060, 4340, 4452, 4495, 4611, 4929, 5394, 5565, 6090, 6148, 6293, 6510, 6572, 7420, 7685, 8215, 8990, 9222, 9858, 10759, 10788, 11130, 11501, 12180, 12586, 13020, 13485, 15370, 16430, 17980, 18444, 18879, 19716, 21518, 22260, 23002, 23055, 24645, 25172, 26970, 30740, 31465, 32277, 32860, 34503, 37758, 43036, 46004, 46110, 47647, 49290, 53795, 53940, 57505, 62930, 64554, 69006, 75516, 92220, 94395, 95294, 98580, 107590, 115010, 125860, 129108, 138012, 142941, 161385, 172515, 188790, 190588, 215180, 230020, 238235, 285882, 322770, 333529, 345030, 377580, 476470, 571764, 645540, 667058, 690060, 714705, 952940, 1000587, 1334116, 1429410, 1667645, 2001174, 2858820, 3335290, 4002348, 5002935, 6670580, 10005870, 20011740]

約数ペア:

[(1, 20011740), (2, 10005870), (3, 6670580), (4, 5002935), (5, 4002348), (6, 3335290), (7, 2858820), (10, 2001174), (12, 1667645), (14, 1429410), (15, 1334116), (20, 1000587), (21, 952940), (28, 714705), (29, 690060), (30, 667058), (31, 645540), (35, 571764), (42, 476470), (53, 377580), (58, 345030), (60, 333529), (62, 322770), (70, 285882), (84, 238235), (87, 230020), (93, 215180), (105, 190588), (106, 188790), (116, 172515), (124, 161385), (140, 142941), (145, 138012), (155, 129108), (159, 125860), (174, 115010), (186, 107590), (203, 98580), (210, 95294), (212, 94395), (217, 92220), (265, 75516), (290, 69006), (310, 64554), (318, 62930), (348, 57505), (371, 53940), (372, 53795), (406, 49290), (420, 47647), (434, 46110), (435, 46004), (465, 43036), (530, 37758), (580, 34503), (609, 32860), (620, 32277), (636, 31465), (651, 30740), (742, 26970), (795, 25172), (812, 24645), (868, 23055), (870, 23002), (899, 22260), (930, 21518), (1015, 19716), (1060, 18879), (1085, 18444), (1113, 17980), (1218, 16430), (1302, 15370), (1484, 13485), (1537, 13020), (1590, 12586), (1643, 12180), (1740, 11501), (1798, 11130), (1855, 10788), (1860, 10759), (2030, 9858), (2170, 9222), (2226, 8990), (2436, 8215), (2604, 7685), (2697, 7420), (3045, 6572), (3074, 6510), (3180, 6293), (3255, 6148), (3286, 6090), (3596, 5565), (3710, 5394), (4060, 4929), (4340, 4611), (4452, 4495)]