20401668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4261}}^1$

素因数の和:4297

約数の個数: 72

約数和(自身を含む): 62054720

約数和(自身を除く): 41653052

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4261, 4788, 8522, 12783, 17044, 25566, 29827, 38349, 51132, 59654, 76698, 80959, 89481, 119308, 153396, 161918, 178962, 242877, 268443, 323836, 357924, 485754, 536886, 566713, 728631, 971508, 1073772, 1133426, 1457262, 1700139, 2266852, 2914524, 3400278, 5100417, 6800556, 10200834, 20401668]

約数ペア:

[(1, 20401668), (2, 10200834), (3, 6800556), (4, 5100417), (6, 3400278), (7, 2914524), (9, 2266852), (12, 1700139), (14, 1457262), (18, 1133426), (19, 1073772), (21, 971508), (28, 728631), (36, 566713), (38, 536886), (42, 485754), (57, 357924), (63, 323836), (76, 268443), (84, 242877), (114, 178962), (126, 161918), (133, 153396), (171, 119308), (228, 89481), (252, 80959), (266, 76698), (342, 59654), (399, 51132), (532, 38349), (684, 29827), (798, 25566), (1197, 17044), (1596, 12783), (2394, 8522), (4261, 4788)]