20144855085

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1\times {\mathrm{1373}}^1$

素因数の和:1778

約数の個数: 64

約数和(自身を含む): 33683005440

約数和(自身を除く): 13538150355

約数列:

[1, 3, 5, 15, 31, 93, 139, 155, 227, 417, 465, 681, 695, 1135, 1373, 2085, 3405, 4119, 4309, 6865, 7037, 12927, 20595, 21111, 21545, 31553, 35185, 42563, 64635, 94659, 105555, 127689, 157765, 190847, 212815, 311671, 473295, 572541, 638445, 935013, 954235, 978143, 1558355, 2862705, 2934429, 4675065, 4890715, 5916257, 9661801, 14672145, 17748771, 28985403, 29581285, 43322269, 48309005, 88743855, 129966807, 144927015, 216611345, 649834035, 1342990339, 4028971017, 6714951695, 20144855085]

約数ペア:

[(1, 20144855085), (3, 6714951695), (5, 4028971017), (15, 1342990339), (31, 649834035), (93, 216611345), (139, 144927015), (155, 129966807), (227, 88743855), (417, 48309005), (465, 43322269), (681, 29581285), (695, 28985403), (1135, 17748771), (1373, 14672145), (2085, 9661801), (3405, 5916257), (4119, 4890715), (4309, 4675065), (6865, 2934429), (7037, 2862705), (12927, 1558355), (20595, 978143), (21111, 954235), (21545, 935013), (31553, 638445), (35185, 572541), (42563, 473295), (64635, 311671), (94659, 212815), (105555, 190847), (127689, 157765)]