20147190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{487}}^1$

素因数の和:701

約数の個数: 64

約数和(自身を含む): 55655424

約数和(自身を除く): 35508234

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 197, 210, 394, 487, 591, 974, 985, 1182, 1379, 1461, 1970, 2435, 2758, 2922, 2955, 3409, 4137, 4870, 5910, 6818, 6895, 7305, 8274, 10227, 13790, 14610, 17045, 20454, 20685, 34090, 41370, 51135, 95939, 102270, 191878, 287817, 479695, 575634, 671573, 959390, 1343146, 1439085, 2014719, 2878170, 3357865, 4029438, 6715730, 10073595, 20147190]

約数ペア:

[(1, 20147190), (2, 10073595), (3, 6715730), (5, 4029438), (6, 3357865), (7, 2878170), (10, 2014719), (14, 1439085), (15, 1343146), (21, 959390), (30, 671573), (35, 575634), (42, 479695), (70, 287817), (105, 191878), (197, 102270), (210, 95939), (394, 51135), (487, 41370), (591, 34090), (974, 20685), (985, 20454), (1182, 17045), (1379, 14610), (1461, 13790), (1970, 10227), (2435, 8274), (2758, 7305), (2922, 6895), (2955, 6818), (3409, 5910), (4137, 4870)]