20138211180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{3181}}^1\times {\mathrm{35171}}^1$

素因数の和:38367

約数の個数: 72

約数和(自身を含む): 61106847984

約数和(自身を除く): 40968636804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 3181, 6362, 9543, 12724, 15905, 19086, 28629, 31810, 35171, 38172, 47715, 57258, 63620, 70342, 95430, 105513, 114516, 140684, 143145, 175855, 190860, 211026, 286290, 316539, 351710, 422052, 527565, 572580, 633078, 703420, 1055130, 1266156, 1582695, 2110260, 3165390, 6330780, 111878951, 223757902, 335636853, 447515804, 559394755, 671273706, 1006910559, 1118789510, 1342547412, 1678184265, 2013821118, 2237579020, 3356368530, 4027642236, 5034552795, 6712737060, 10069105590, 20138211180]

約数ペア:

[(1, 20138211180), (2, 10069105590), (3, 6712737060), (4, 5034552795), (5, 4027642236), (6, 3356368530), (9, 2237579020), (10, 2013821118), (12, 1678184265), (15, 1342547412), (18, 1118789510), (20, 1006910559), (30, 671273706), (36, 559394755), (45, 447515804), (60, 335636853), (90, 223757902), (180, 111878951), (3181, 6330780), (6362, 3165390), (9543, 2110260), (12724, 1582695), (15905, 1266156), (19086, 1055130), (28629, 703420), (31810, 633078), (35171, 572580), (38172, 527565), (47715, 422052), (57258, 351710), (63620, 316539), (70342, 286290), (95430, 211026), (105513, 190860), (114516, 175855), (140684, 143145)]