20214657855

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{4253}}^1$

素因数の和:4541

約数の個数: 96

約数和(自身を含む): 40773058560

約数和(自身を除く): 20558400705

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 79, 105, 191, 237, 315, 395, 553, 573, 711, 955, 1185, 1337, 1659, 1719, 2765, 2865, 3555, 4011, 4253, 4977, 6685, 8295, 8595, 12033, 12759, 15089, 20055, 21265, 24885, 29771, 38277, 45267, 60165, 63795, 75445, 89313, 105623, 135801, 148855, 191385, 226335, 267939, 316869, 335987, 446565, 528115, 679005, 812323, 950607, 1007961, 1339695, 1584345, 1679935, 2351909, 2436969, 3023883, 4061615, 4753035, 5039805, 5686261, 7055727, 7310907, 11759545, 12184845, 15119415, 17058783, 21167181, 28431305, 35278635, 36554535, 51176349, 64173517, 85293915, 105835905, 192520551, 255881745, 320867585, 449214619, 577561653, 962602755, 1347643857, 2246073095, 2887808265, 4042931571, 6738219285, 20214657855]

約数ペア:

[(1, 20214657855), (3, 6738219285), (5, 4042931571), (7, 2887808265), (9, 2246073095), (15, 1347643857), (21, 962602755), (35, 577561653), (45, 449214619), (63, 320867585), (79, 255881745), (105, 192520551), (191, 105835905), (237, 85293915), (315, 64173517), (395, 51176349), (553, 36554535), (573, 35278635), (711, 28431305), (955, 21167181), (1185, 17058783), (1337, 15119415), (1659, 12184845), (1719, 11759545), (2765, 7310907), (2865, 7055727), (3555, 5686261), (4011, 5039805), (4253, 4753035), (4977, 4061615), (6685, 3023883), (8295, 2436969), (8595, 2351909), (12033, 1679935), (12759, 1584345), (15089, 1339695), (20055, 1007961), (21265, 950607), (24885, 812323), (29771, 679005), (38277, 528115), (45267, 446565), (60165, 335987), (63795, 316869), (75445, 267939), (89313, 226335), (105623, 191385), (135801, 148855)]