20164776770

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{6427}}^1$

素因数の和:6843

約数の個数: 64

約数和(自身を含む): 38876544000

約数和(自身を除く): 18711767230

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 145, 155, 290, 310, 349, 698, 899, 1745, 1798, 3490, 4495, 6427, 8990, 10121, 10819, 12854, 20242, 21638, 32135, 50605, 54095, 64270, 101210, 108190, 186383, 199237, 313751, 372766, 398474, 627502, 931915, 996185, 1568755, 1863830, 1992370, 2243023, 3137510, 4486046, 5777873, 11215115, 11555746, 22430230, 28889365, 57778730, 65047667, 69533713, 130095334, 139067426, 325238335, 347668565, 650476670, 695337130, 2016477677, 4032955354, 10082388385, 20164776770]

約数ペア:

[(1, 20164776770), (2, 10082388385), (5, 4032955354), (10, 2016477677), (29, 695337130), (31, 650476670), (58, 347668565), (62, 325238335), (145, 139067426), (155, 130095334), (290, 69533713), (310, 65047667), (349, 57778730), (698, 28889365), (899, 22430230), (1745, 11555746), (1798, 11215115), (3490, 5777873), (4495, 4486046), (6427, 3137510), (8990, 2243023), (10121, 1992370), (10819, 1863830), (12854, 1568755), (20242, 996185), (21638, 931915), (32135, 627502), (50605, 398474), (54095, 372766), (64270, 313751), (101210, 199237), (108190, 186383)]