20005901100

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{691}}^1\times {\mathrm{10723}}^1$

素因数の和:11437

約数の個数: 144

約数和(自身を含む): 64414349440

約数和(自身を除く): 44408448340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 90, 100, 108, 135, 150, 180, 225, 270, 300, 450, 540, 675, 691, 900, 1350, 1382, 2073, 2700, 2764, 3455, 4146, 6219, 6910, 8292, 10365, 10723, 12438, 13820, 17275, 18657, 20730, 21446, 24876, 31095, 32169, 34550, 37314, 41460, 42892, 51825, 53615, 62190, 64338, 69100, 74628, 93285, 96507, 103650, 107230, 124380, 128676, 155475, 160845, 186570, 193014, 207300, 214460, 268075, 289521, 310950, 321690, 373140, 386028, 466425, 482535, 536150, 579042, 621900, 643380, 804225, 932850, 965070, 1072300, 1158084, 1447605, 1608450, 1865700, 1930140, 2412675, 2895210, 3216900, 4825350, 5790420, 7238025, 7409593, 9650700, 14476050, 14819186, 22228779, 28952100, 29638372, 37047965, 44457558, 66686337, 74095930, 88915116, 111143895, 133372674, 148191860, 185239825, 200059011, 222287790, 266745348, 333431685, 370479650, 400118022, 444575580, 555719475, 666863370, 740959300, 800236044, 1000295055, 1111438950, 1333726740, 1667158425, 2000590110, 2222877900, 3334316850, 4001180220, 5001475275, 6668633700, 10002950550, 20005901100]

約数ペア:

[(1, 20005901100), (2, 10002950550), (3, 6668633700), (4, 5001475275), (5, 4001180220), (6, 3334316850), (9, 2222877900), (10, 2000590110), (12, 1667158425), (15, 1333726740), (18, 1111438950), (20, 1000295055), (25, 800236044), (27, 740959300), (30, 666863370), (36, 555719475), (45, 444575580), (50, 400118022), (54, 370479650), (60, 333431685), (75, 266745348), (90, 222287790), (100, 200059011), (108, 185239825), (135, 148191860), (150, 133372674), (180, 111143895), (225, 88915116), (270, 74095930), (300, 66686337), (450, 44457558), (540, 37047965), (675, 29638372), (691, 28952100), (900, 22228779), (1350, 14819186), (1382, 14476050), (2073, 9650700), (2700, 7409593), (2764, 7238025), (3455, 5790420), (4146, 4825350), (6219, 3216900), (6910, 2895210), (8292, 2412675), (10365, 1930140), (10723, 1865700), (12438, 1608450), (13820, 1447605), (17275, 1158084), (18657, 1072300), (20730, 965070), (21446, 932850), (24876, 804225), (31095, 643380), (32169, 621900), (34550, 579042), (37314, 536150), (41460, 482535), (42892, 466425), (51825, 386028), (53615, 373140), (62190, 321690), (64338, 310950), (69100, 289521), (74628, 268075), (93285, 214460), (96507, 207300), (103650, 193014), (107230, 186570), (124380, 160845), (128676, 155475)]