20134550540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1\times {\mathrm{6271}}^1$

素因数の和:6579

約数の個数: 96

約数和(自身を含む): 46600759296

約数和(自身を除く): 26466208756

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 233, 260, 265, 466, 530, 689, 932, 1060, 1165, 1378, 2330, 2756, 3029, 3445, 4660, 6058, 6271, 6890, 12116, 12349, 12542, 13780, 15145, 24698, 25084, 30290, 31355, 49396, 60580, 61745, 62710, 81523, 123490, 125420, 160537, 163046, 246980, 321074, 326092, 332363, 407615, 642148, 664726, 802685, 815230, 1329452, 1461143, 1605370, 1630460, 1661815, 2922286, 3210740, 3323630, 4320719, 5844572, 6647260, 7305715, 8641438, 14611430, 17282876, 18994859, 21603595, 29222860, 37989718, 43207190, 75979436, 77440579, 86414380, 94974295, 154881158, 189948590, 309762316, 379897180, 387202895, 774405790, 1006727527, 1548811580, 2013455054, 4026910108, 5033637635, 10067275270, 20134550540]

約数ペア:

[(1, 20134550540), (2, 10067275270), (4, 5033637635), (5, 4026910108), (10, 2013455054), (13, 1548811580), (20, 1006727527), (26, 774405790), (52, 387202895), (53, 379897180), (65, 309762316), (106, 189948590), (130, 154881158), (212, 94974295), (233, 86414380), (260, 77440579), (265, 75979436), (466, 43207190), (530, 37989718), (689, 29222860), (932, 21603595), (1060, 18994859), (1165, 17282876), (1378, 14611430), (2330, 8641438), (2756, 7305715), (3029, 6647260), (3445, 5844572), (4660, 4320719), (6058, 3323630), (6271, 3210740), (6890, 2922286), (12116, 1661815), (12349, 1630460), (12542, 1605370), (13780, 1461143), (15145, 1329452), (24698, 815230), (25084, 802685), (30290, 664726), (31355, 642148), (49396, 407615), (60580, 332363), (61745, 326092), (62710, 321074), (81523, 246980), (123490, 163046), (125420, 160537)]