20170352420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1\times {\mathrm{1933}}^1$

素因数の和:2277

約数の個数: 96

約数和(自身を含む): 44447961600

約数和(自身を除く): 24277609180

約数列:

[1, 2, 4, 5, 10, 20, 37, 59, 74, 118, 148, 185, 236, 239, 295, 370, 478, 590, 740, 956, 1180, 1195, 1933, 2183, 2390, 3866, 4366, 4780, 7732, 8732, 8843, 9665, 10915, 14101, 17686, 19330, 21830, 28202, 35372, 38660, 43660, 44215, 56404, 70505, 71521, 88430, 114047, 141010, 143042, 176860, 228094, 282020, 286084, 357605, 456188, 461987, 521737, 570235, 715210, 923974, 1043474, 1140470, 1430420, 1847948, 2086948, 2280940, 2309935, 2608685, 4219739, 4619870, 5217370, 8439478, 9239740, 10434740, 16878956, 17093519, 21098695, 27257233, 34187038, 42197390, 54514466, 68374076, 84394780, 85467595, 109028932, 136286165, 170935190, 272572330, 341870380, 545144660, 1008517621, 2017035242, 4034070484, 5042588105, 10085176210, 20170352420]

約数ペア:

[(1, 20170352420), (2, 10085176210), (4, 5042588105), (5, 4034070484), (10, 2017035242), (20, 1008517621), (37, 545144660), (59, 341870380), (74, 272572330), (118, 170935190), (148, 136286165), (185, 109028932), (236, 85467595), (239, 84394780), (295, 68374076), (370, 54514466), (478, 42197390), (590, 34187038), (740, 27257233), (956, 21098695), (1180, 17093519), (1195, 16878956), (1933, 10434740), (2183, 9239740), (2390, 8439478), (3866, 5217370), (4366, 4619870), (4780, 4219739), (7732, 2608685), (8732, 2309935), (8843, 2280940), (9665, 2086948), (10915, 1847948), (14101, 1430420), (17686, 1140470), (19330, 1043474), (21830, 923974), (28202, 715210), (35372, 570235), (38660, 521737), (43660, 461987), (44215, 456188), (56404, 357605), (70505, 286084), (71521, 282020), (88430, 228094), (114047, 176860), (141010, 143042)]