20157568690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{691}}^1\times {\mathrm{18119}}^1$

素因数の和:18847

約数の個数: 64

約数和(自身を含む): 43334922240

約数和(自身を除く): 23177353550

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 691, 805, 1382, 1610, 3455, 4837, 6910, 9674, 15893, 18119, 24185, 31786, 36238, 48370, 79465, 90595, 111251, 126833, 158930, 181190, 222502, 253666, 416737, 556255, 634165, 833474, 1112510, 1268330, 2083685, 2917159, 4167370, 5834318, 12520229, 14585795, 25040458, 29171590, 62601145, 87641603, 125202290, 175283206, 287965267, 438208015, 575930534, 876416030, 1439826335, 2015756869, 2879652670, 4031513738, 10078784345, 20157568690]

約数ペア:

[(1, 20157568690), (2, 10078784345), (5, 4031513738), (7, 2879652670), (10, 2015756869), (14, 1439826335), (23, 876416030), (35, 575930534), (46, 438208015), (70, 287965267), (115, 175283206), (161, 125202290), (230, 87641603), (322, 62601145), (691, 29171590), (805, 25040458), (1382, 14585795), (1610, 12520229), (3455, 5834318), (4837, 4167370), (6910, 2917159), (9674, 2083685), (15893, 1268330), (18119, 1112510), (24185, 833474), (31786, 634165), (36238, 556255), (48370, 416737), (79465, 253666), (90595, 222502), (111251, 181190), (126833, 158930)]