20218573908

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{40039}}^1$

素因数の和:40158

約数の個数: 108

約数和(自身を含む): 56010034080

約数和(自身を除く): 35791460172

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 83, 117, 156, 166, 169, 234, 249, 332, 338, 468, 498, 507, 676, 747, 996, 1014, 1079, 1494, 1521, 2028, 2158, 2988, 3042, 3237, 4316, 6084, 6474, 9711, 12948, 14027, 19422, 28054, 38844, 40039, 42081, 56108, 80078, 84162, 120117, 126243, 160156, 168324, 240234, 252486, 360351, 480468, 504972, 520507, 720702, 1041014, 1441404, 1561521, 2082028, 3123042, 3323237, 4684563, 6246084, 6646474, 6766591, 9369126, 9969711, 13292948, 13533182, 18738252, 19939422, 20299773, 27066364, 29909133, 39878844, 40599546, 43202081, 59818266, 60899319, 81199092, 86404162, 119636532, 121798638, 129606243, 172808324, 243597276, 259212486, 388818729, 518424972, 561627053, 777637458, 1123254106, 1555274916, 1684881159, 2246508212, 3369762318, 5054643477, 6739524636, 10109286954, 20218573908]

約数ペア:

[(1, 20218573908), (2, 10109286954), (3, 6739524636), (4, 5054643477), (6, 3369762318), (9, 2246508212), (12, 1684881159), (13, 1555274916), (18, 1123254106), (26, 777637458), (36, 561627053), (39, 518424972), (52, 388818729), (78, 259212486), (83, 243597276), (117, 172808324), (156, 129606243), (166, 121798638), (169, 119636532), (234, 86404162), (249, 81199092), (332, 60899319), (338, 59818266), (468, 43202081), (498, 40599546), (507, 39878844), (676, 29909133), (747, 27066364), (996, 20299773), (1014, 19939422), (1079, 18738252), (1494, 13533182), (1521, 13292948), (2028, 9969711), (2158, 9369126), (2988, 6766591), (3042, 6646474), (3237, 6246084), (4316, 4684563), (6084, 3323237), (6474, 3123042), (9711, 2082028), (12948, 1561521), (14027, 1441404), (19422, 1041014), (28054, 720702), (38844, 520507), (40039, 504972), (42081, 480468), (56108, 360351), (80078, 252486), (84162, 240234), (120117, 168324), (126243, 160156)]